Answers created by kubik98

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• How do you solve #log(x-3)+log x=1#?
  
• What is the integral from 0 to1 of #(4/(t^2+1))dt#?
  
• How do you solve #14^ { 4x + 1} = 5^ { x - 2}#?
  
• How do you solve using gaussian elimination or gauss-jordan elimination, #10x-7y+3z+5u=6#, #-6x+8y-z-4u=5#, #3x+y+4z+11u=2#, #5x-9y-2z+4u=7#?
  
• What is the equation of the normal line of #f(x)= sqrt(e^(2x)-x^2)/(x-1)^2# at #x = 3#?
  
• Question #2b749
  
• How do you solve using gaussian elimination or gauss-jordan elimination, #x_1 + 3x_2 +x_3 + x_4= 3#, #2x_1- 2x_2 + x_3 + 2x_4 =8# and #3x_1 + x_2 + 2x_3 - x_4 =-1#?
  
• How do you solve the following system using Cramer's rule #2x-y=3, 4x-3y=5#?
  
• How do you solve using gaussian elimination or gauss-jordan elimination, #2x + 5y - 2z = 14#, #5x -6y + 2z = 0#, #4x - y + 3z = -7#?
  
• How do you solve using gaussian elimination or gauss-jordan elimination, #2x₁+4x₂-6x₃= 10#, #3x₁+3x₂-3x₃= 6#?
  
• How to solve the linear system with Cramer's Rule?
  
• How do you solve using gaussian elimination or gauss-jordan elimination, #‎2x+y-z+2w=-6#, #3x+4y+w=1#, #x+5y+2z+6w=-3#, #5x+2y-z-w=3#?
  
• How do you solve using gaussian elimination or gauss-jordan elimination, #-2x -5y +5z =4#, #-3x -y -z =10#, #5x +3y -z =10#?
  
• How do you solve using gaussian elimination or gauss-jordan elimination, #2x + 2y - 3z = -2#, #3x - 1 - 2z = 1#, #2x + 3y - 5z = -3#?
  
• What is the equation of the normal line of #f(x)=((5-x)(4-x^2))/(x^3-1)# at #x=3#?
  
• How do you solve #2/(p-1)>=3/4# using a sign chart?
  
• How do you sketch the angle #(11pi)/6# in standard position?
  
• Question #0e470
  
• How do you solve 2^3x = 3e^x ? Thanks
  
• Solve this problem? It's so hard for me
  
• Solve: #5sin theta = 6 cos^2theta -6# for #theta in [0, 2pi]#?
  
• How do you solve using gaussian elimination or gauss-jordan elimination, #x + y + z - 3t = 1#, #2x + y + z - 5t = 0#, #y + z - t = 2, # 3x - 2z + 2t = -7#?
  
• How do you find the inverse of #f(x)=4x^2+1, x>=0#?
  
• Question #56387
  
• Question #d3ab0
  
• Question #84a34
  
• Question #cd089
  
• Solving Trigonomic Equation. How do you write the equation Tan^2x + 2 = 0 in terms of sine only. Then, solve algebraically for 0< x <2pi?
  
• How to solve worded questions involving gallery of graphs?
  
• How do you find the linearization at a=0 of #f(x)=1/1/(sqrt(2+x))#?
  
• What is #sqrt(-6)#?
  
• Question #8be5a
  
• For what values of x is #f(x) = e^-(1/x^2)# concave or convex?
  
• How do you find all asymptotes and intercepts of #f(x)=(5x+15)/(x^2-x-12)#?
  
• What is the domain of f(x)?
  
• How do you factor completely # 2x^3 + 4x^2 + 6x + 12#?
  
• A customer in a computer store can choose one of four monitors, one of three keyboards, and one of five computers. How do you determine the number of possible system configurations?
  
• How do you determine whether each function represents exponential growth or decay #y=0.4(1/3)^x#?
  
• #lim_(x to 0^+) (2-e^sqrt(x))^(1/x)# solve for x?
  
• How do you graph #f(x)=(2x^3-2x^2)/(x^3-9x)# using holes, vertical and horizontal asymptotes, x and y intercepts?
  
• If #y=sqrt(x^2+6x+8)#,show that one value of #sqrt(1+iy)+sqrt(1-iy)=sqrt(2x+8)#?
  
• Is #f(x)=x-e^x/sinx# increasing or decreasing at #x=pi/3#?
  
• Is #f(x) =(x-2)^2(x+6)(x-3)# concave or convex at #x=0#?
  
• Question #e12fb
  
• Question #7c54f
  
• What is the maximum value of #|z|# when #z# satisfies the condition #|z+(2/z)|=2# ?
  
• How do you divide #(x ^ { 3} + 5x - 1) \div ( x - 1)#?
  
• What is the equation of the line that is normal to #f(x)=-3x^2-sinx # at # x=pi/3#?
  
• How do you differentiate #y= log _10 x#?
  
• Question #36f01
  
• Find a value of a so that the limit exists in a piece wise function?
  
• Question #ead56
  
• How do you graph and solve #|4x + 3| ≥ 19#?
  
• How do you find the vertex of #y= -x^2+ 4x + 2#?
  
• How do you write #y = | x - 2|# as piecewise functions?
  
• Question #70d7b
  
• Q) how to solve by completing the square method ? a) #2x^2+16x+5# b) #6+4x-x^2#
  
• What is the equation of the line that is normal to #f(x)= x-e^sqrt(x+4)/(x-4) # at # x= 5 #?
  
• Question #d83b9
  
• What are the asymptotes and removable discontinuities, if any, of #f(x)= (x^2-1)/(x-2)^2#?
  
• How do you divide #(3x^3 - 12x^2 - 11x - 20)/(x+5)#?
  
• How do you solve using gaussian elimination or gauss-jordan elimination, #3y + 2z = 4#, #2x − y − 3z = 3#, #2x+ 2y − z = 7#?
  
• How do you graph #y=ln(tan^2 x)#?
  
• Question #6c4e4
  
• Question #81fbb
  
• Question #273c3
  
• Question #6c5f5
  
• #lim_(x->0)1/x - 1/(e^x - 1) = # ?
  
• Question #a0c82
  
• How do you find the roots, real and imaginary, of #y= x^2 - 8x -9- (2x-1)^2 # using the quadratic formula?
  
• Question #4b52f
  
• Question #2bb5c
  
• How do you divide #( 2x^4 - 5x^3 - x^2 - 17x - 15 )/(x^2 - 2 )#?
  
• Question #4323d
  
• Question #e1abf
  
• Question #27259
  
• H needs to buy hamburgers and hot dogs for a picnic. He has only $41.00 to spend and must buy a combination of 98 hamburgers or hot dogs. A store charges $.50 per hamburger and $0.25 per hot dog. Write a system of equations to model this problem please?
  
• #lim_(x->oo)((x^2+4x+1)/(x^2+2x+2))^(10x)=# ?
  
• How do you multiply #(2x^2+8)div(x^4-16)/(x^2+x-6)#?
  
• How do you evaluate #\frac{(2p^{3}q^{4})^{4}}{(-3q^{5})^{2}}\div \frac{(4p^{2}q)^{2}}{9}=\frac{p^{a+b}}{q^{a-b}}#?
  
• Show that limit of log(2x-3)/2(x-2)=1 as x approaches to 2?
  
• What are the points of inflection of #f(x)=x^{2}e^{11 -x} #?
  
• What are the points of inflection of #f(x)=(5x-3)/(5x-1)^2 #?
  
• Question #7e03a
  
• My recipe calls for 2/3 cups of white flour and 2 1/5 cups of whole wheat flour. How much flour do I need in total?
  
• How do you sketch the curve #y=(x+1)/sqrt(5x^2+35)# by finding local maximum, minimum, inflection points, asymptotes, and intercepts?
  
• How would you graph and write this problem? A company requires the length of each widget to be in the range of 9.82 ± 0.07 cm. What is the range of acceptable length of a widget.
  
• How do you find the domain and range of #sqrt(x^2- 4)#?
  
• Question #12803
  
• How do you simplify #(\frac { x ^ { 4} y ^ { - 2} z ^ { - 6} ) (x^2y^-6z^-4)) ^(1/2) #?
  
• How do you solve and write the following in interval notation: #(x)/(x+1) ≤ (-4)/(3(x-4))#?
  
• What are the boundaries of x and y if #x>=2, y-x>=-3, and x+y<=5#?
  
• How do you graph #y=log_2 (x-2)#?
  
• How do you find the x coordinates of all points of inflection, final all discontinuities, and find the open intervals of concavity for #y=(2x+3)^2(x+1)^2# for #[-10,0]#?
  
• If the graph of #f(x) = ax^3+bx^2+cx+d# passes through the points #(0,10)#, #(1,7)#, #(3,-11)# and #(4,-24)# then what are the values of #a, b, c, d# ?
  
• Expand using DeMoivre's formula? (2sqrt3 -2i)^5
  
• Question #46a96
  
• How do you evaluate #\frac { 8b ^ { 2} + 80b } { 8b ^ { 2} - 8b } \div \frac { 3b - 24} { b ^ { 2} - 9b + 8}#?
  
• How do you graph #x>=2# and #y+x<=5 #?
  
• How do you graph #y=(3x+5)/(2x-11)# using asymptotes, intercepts, end behavior?
  
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