Questions asked by detest7

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• Not sure how to solve this doubling time problem?
  
• How should I start this problem?
  
• How to solve half life problem?
  
• By what percent does the voltage decrease each second? I'm so close to the answer help!?
  
• Is the function h(x) odd, even, or neither?
  
• What is a possible formula for g(x) in terms of f(x)?
  
• The graph of h(x) contains the point (−5, 10). What is the corresponding point on the graph of y = h(5x)?
  
• The graph of the f(x) is show below. Graph each transformed function and list in words the transformation used?
  
• Help with combinations of transformations of graphs? Write a formula for g in terms of f
  
• The graph of f(x) contains the point (3,-2). What corresponding point must be on the graph of g(x) = 2f(x) − 9 ?
  
• The domain of f(x) is −6 ≤ x ≤ 8 and the range is 6 ≤ y ≤ 12. If g(x) = 3f(x − 6), what is the domain and range of g(x) ?
  
• In the table below, fill in as many y values as you can if you know that f is an even function, and g is an odd function?
  
• Write a formula for each transformation of Q(t)=e^t.?
  
• How do you find a formula of a function given the function f(x)=e^x ?
  
• What is the value of the principal quantum number, n, for the hydrogen s orbital matching these curves?
  
• You have been riding the London Eye Ferris wheel for 17 minutes and 30 seconds. What is your height above the ground?
  
• Find the midline of the function...?
  
• Find the midline of the function y=(6cos(6t)-7)/(2) ?
  
• Find the amplitude of the function #2y=cos (4(t-6))+6#?
  
• Evaluate tan(-330)?
  
• Find the slope of the line passing through the origin at an angle 5π/8. What angle is this in degrees?
  
• What is the geometric name for H2CO2?
  
• The density (in g/L) of helium (He) gas at 723 torr and 225 K is?
  
• Which hybridization best characterizes the C atom involved in a CH4 molecule?
  
• If pi/2≤θ≤π and sin θ =4/5, find the exact value of cosθ and cotθ?
  
• Solve #11sin(theta)-2=2# for a value of #theta# when #0 <= theta <= pi/2#.?
  
• How can you do these types of problems quickly?
  
• Find the exact solutions to the equation sin(2x)=0.3 when 0≤x≤2π ?
  
• If 3π/2≤ θ≤2π and cosθ=8/13, find sin(2θ), cos(2θ), and tan (2θ)?
  
• Solve the following equation exactly on the interval 0 ≤ θ ≤ 2π ? cos 2θ + sin θ = 0
  
• A person on the earth is looking up at the sun, which is 92,900,000 miles away. The angle spanned by the sun at the person's eye is approximately 0.5 degrees. Find an estimate for the diameter of the sun?
  
• Prove the following identity algebraically?
  
• Suppose θ is an angle in the fourth quadrant with cosθ=x/4. Find expressions for the other five trig functions in terms of x?
  
• Need help with simplifying trig equations?
  
• True or false: cosu+cosv=cos(u+v), for all u and v ?
  
• If given the values of cos 2 and cos 3, sin 2 and sin 3, which of the following can be found arithmetically?
  
• Calculate the enthalpy when 850.0g of ice melts ΔH_fusion for ice=6009.5 J/mol?
  
• Write two functions 𝑢(𝑥) and 𝑣(𝑥)?
  
• Give a practical interpretation in words of the following composite function?
  
• How do I evaluate inverse functions?
  
• Help with inverse function conceptual question?
  
• Find a formula for the inverse function?
  
• Using the figure below, estimate the following?
  
• Write each of the following functions in the form: f(x)=kx^p?
  
• What would be the quickest way to multiply this polynomial? (x-3)(x+2)(x^2+3x-5)
  
• Find the equation of the line through the y-intercept?
  
• Suppose c is inversely proportional to the square of d. If c=6 when d=3⁢, find the constant of proportionality and write the formula for c as a function of d?
  
• If y is inversely proportional to x, and y=12 when x=7, find the constant of proportionality and write a formula for y in terms of x?
  
• How can you tell if this function if invertible? And if so, how would you find the inverse function?
  
• State the degree, the number of terms, and describe the long‐run behavior?
  
• Complete the table given h(x)=g(f(x)) ?
  
• How do you calculate the change in entropy due to heat flow at a constant temperature?
  
• Give a possible formula of minimum degree for the polynomial f(x) in the graph below?
  
• Find a possible formula for a polynomial f with the given properties?
  
• How do you determine the vertical and horizontal asymptotes of the graph of the function?
  
• Using the vertex form, find a formula for the parabola with vertex (2,14) that passes through the point (1,7)?
  
• Help with finding the inverse of a function?
  
• How do you write directly proportional equations?
  
• I'm confused on how to find the inverse function and solve?
  
• Write the equilibrium-constant expression for the reaction?
  
• How do you find the equilibrium constant for the chemical equation?
  
• An iron piston in a compressor has a mass of 3.62 kg. If the specific heat of iron is 0.449 J/g°C, how much heat is required to raise the temperature of the piston from 12.0°C to 111.0°C?
  
• What is the pH of a #"0.150-M"# #"NaOH"# solution?
  
• Finding the sum of sigma notations?
  
• How do you find the difference of sigma notations?
  
• Given the following heat of formation values, calculate the heat of reaction for:?
  
• Write the following decimal as a fraction by writing the decimal as a geometric series?
  
• Write the sum using sigma notation?
  
• How do you find the twenty-fourth positive multiple of 7?
  
• Put this function in vertex form by completing the square?
  
• Use the given graph of f to find a number delta...?
  
• Find the limit, if it exists?
  
• Differentiate the function. Y= √x(x-4) ?
  
• Find the derivative of the function. #(2x-5)^4(x^2+x+1)^5# ?
  
• Setup the limit definition of definite integrals #int_-1^2(1+x^2)dx# ?
  
• Explain why the function is discontinuous at the given number a = 1 ?
  
• Differentiate the following function #sqrt{secx^3# ?
  
• Differentiate #\frac{r}{\sqrt{r^2+5}}# ?
  
• Differentiate #\frac{e^{8u}-e^{-8u}}{e^{8u}+e^{-8u}}# ?
  
• Find the derivative of #8^{3^{x^2}}# ?
  
• Find the limit as x→∞ #xe^(4/x)-x# ?
  
• Differentiate f(x)=#x^(9x)# ?