Answers created by Rafael

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• How do you find the slope of `3x + 5y = -2`?
  
• Question #99c7f
  
• How do you write a rational expression with excluded values of -2 and 2?
  
• Is there a possible rule for the nth term of the sequence: 1, n, n, n, n,···,n?
  
• How do you find the range of `f(x) =x^2-1` for the domain D={-2,-1,0,2}?
  
• Question #c83cc
  
• How do you solve and check your solution given `3 3/4+n=6 5/8`?
  
• 25 is what percent of 125?
  
• How do you find the x intercept for the line `5x-3y=4`?
  
• How do you differentiate `f(x)=sqrt((1-xe^(2x))^3` using the chain rule.?
  
• Why the function is discontinuous at a=1 given `f(x)= 1-x^2` if x < 1 and `f(x)= 1/x` if `x >= 1`?
  
• Two corners of an isosceles triangle are at `(2 ,5 )` and `(9 ,8 )`. If the triangle's area is `12`, what are the lengths of the triangle's sides?
  
• Question #7951d
  
• How do you integrate `dy / (4(y^(1/2))`?
  
• How do you find the limit of `(cos x)^(1/x^2)` as x approaches 0?
  
• How do you find the derivative of `[3 cos 2x + sin^2 x]`?
  
• Is `f(x)=x^4-4x^3+x-4` concave or convex at `x=-1`?
  
• What is the equation of the normal line of `f(x)= -2x^2-10/x` at `x=2`?
  
• Question #62094
  
• How do you find the first and second derivatives of `y=(2x^4-3x)/(4x-1)` using the quotient rule?
  
• How do you simplify `(-4+6i)-(-5+4i)`?
  
• What is the equation of the line tangent to `f(x)=x ^2cos2x` at `x=pi/4`?
  
• How do you express `sin(pi/12) * cos(( 5 pi)/8 )` without products of trigonometric functions?
  
• How do you differentiate `y=(x-y)^2/y`?
  
• How do you find the derivative of `y=3/4(x^(2)-1)^(2/3)`?
  
• What is the domain and range of `y = x + 3`?
  
• How do you find all the zeros of `F(x) = x^4 - 16x^2`?
  
• What is `(-16/30) (-5)`?
  
• What is the equation of the line tangent to `f(x)=x ^3-3x^2` at `x=4`?
  
• How do you solve `Sin(x+pi)+cos(x-(pi/2))=1`?
  
• What is the equation of the line with slope `m= 1/3` that passes through `(-7/15,-5/24)`?
  
• How do you determine if the equation `f(x) = .08^x` represents exponential growth or decay?
  
• What is the slope intercept form of the line passing through `(2,-3)` with a slope of `3/2`?
  
• How do you solve `7=5e^(0.2x)`?
  
• Question #d6fb5
  
• In triangle QRS, `/_Q` and `/_R` are congruent. The measure of `/_S` is three times the measure of `/_Q`. What is the measure of `/_S` in degrees?
  
• How do you find the inverse of `y= 2^(1.5x+3)`?
  
• Question #a0956
  
• How do you evaluate `arcsin(cos(10pi/9))`?
  
• What is `i^1234` equivalent to?
  
• How do you solve the triangle when Angle A=37 degrees, a=49, b=54?
  
• How do you know if `G(x) = sqrtx` is an even or odd function?
  
• How do you simplify `5!*3!`?
  
• How do you use law of sines to solve the triangle given A = 57° , a = 11, b = 10?
  
• What is the equation of the line with slope `m= -1/4` that passes through `(7,13)`?
  
• What is x if `3ln2+ln(x^2)+2=4`?
  
• How do you simplify `sqrt(-64)/-sqrt4`?
  
• If `16 + 4x = 24, 8x =` ?
  
• How do you simplify `6+ (8x+12)`?
  
• How do you verify `(sin^3x - cos^3x) / (sinx - cosx) = (1 + sin2x) / 2`?
  
• What is the inverse of `y=log(x-3)?` ?
  
• How do you verify `(1+sinx)/(1-sinx) - (1-sinx)/(1+sinx)=4tanxsecx`?
  
• What is a natural log?
  
• How do you simplify `5sqrt3/sqrt12`?
  
• How do you solve `x^2 = 64`?
  
• Does `f(x) = tan(2x)` have more asymptotes than `g(x)=tan(x)`?
  
• How do you solve `3sinx + 2 = 0` from 0 to 2pi?
  
• How do you simplify `abs(7-10)`?
  
• How do you solve `(x+3)(x+5) = -7`?
  
• Given the functions `f(x)=x-7` , `g(x)=x^2` and `h(x)=(x-7)^2` how do you find (g-f)(x) ?
  
• How do you simplify `cot(x) *sec(x)`?
  
• When balancing a chemical equation, why can you change coefficients, but not subscripts?
  
• What is the domain of `(4/(a+1))-(5/a) = (20/(a^2+a))`?
  
• How would you balance the following equation: HCI + NaOH --> H20 + NaCI?
  
• How do you use the double angle or half angle formulas to simplify `(sinx-cosx)^2`?
  
• How do you solve the following system using substitution?: `-3x + 3y= 3, -5x + y = 13`
  
• How do you prove `sec^4(x)-csc^2(x)=tan^2(x)-cot^2(x)`?
  
• What is x if `5x-14=21`?
  
• How do you solve `9 cos^3 x − 63 cos^2 x + cos x − 7 = 0`?
  
• How do you expand `log (1/ABC)`?
  
• How do you solve `x^3 + 4x^2 - x` using the quadratic formula?
  
• What is x if `log_6(x)/4= 0.5`?
  
• What is x if `ln(x^2) + ln(x^3) + 2 =0`?
  
• What is the quadratic formula of `(2y - 3) (y + 1) = 5`?
  
• How do you divide polynomials that cannot be easily factored?
  
• How do you solve the identity `cos3x = 4cos^3x - 3cosx`?
  
• How do you find the general solutions for `tan^2x=3`?
  
• How do you solve the following system using substitution?: `y=x-5, y=2x`
  
• How do you solve for x?: `e^(-2x) = 1/3?`
  
• How do you simplify `sqrt(48x^11z^10)`?
  
• Is `1 / ( x )^2` strictly greater than `1/(x)` for all x?
  
• How do you find the domain & range for `f(x)=sqrt(sinx-1)`?
  
• How do you solve `sin40º = 12/y`?
  
• How does energy relate to the frequency of a wave?
  
• How do solve `ln(x-5) = 3`?
  
• How do you write `ln 100= 4.61` in exponential form?
  
• How do you long divide `n^2 - 11n - 26` by `n+2`?
  
• How do you simplify `(x^2+21x+90)/(x^2+17x+66) + (2x^2+17x+21)/(2x^2+25x+33)`?
  
• How do I find the focus of the parabola represented by `y=2x^2-8x+9`?
  
• What is the degree of `3x^3+6x^2-2x-4`?
  
• What atoms with the same atomic number but a different atomic mass.?
  
• How do you evaluate cot (4pi/3)?
  
• What is the net force acting on a falling 1-kg ball if it encounters 2N of air resistance?
  
• Question #5164f
  
• Question #a536b
  
• How do you simplify `sqrt12/sqrt49`?
  
• How do you find the exact values of cot, csc and sec for 0 degrees?
  
• How do you solve `x^(-1/2)=5`?
  
• Question #d94de
  
• How do you prove `(sin+cos)(tan+cot)=sec+csc`?
  
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