CFA # 4 Review.

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Presentation transcript:

CFA # 4 Review

If the growth rate of the housing market over the past 10 years has been periodic, which type of function could be used to create a formula showing the growth rate over time? A – Polynomial function B – Logarithmic function C – Trigonometric function D – Exponential function Answer: C

Answer: B

Know what the graph of sine, cosine, tangent, arcsine and arccosine look like

If f(x) is a polynomial function and f(c) = 0, then which of the following is true? A c is the maximum B c is the minimum C x-c is a factor of f(x) D c is the y-intercept Answer: C

Answer: A

What are the steps to finding the inverse of a function? Switch the x and y variables and solve for the new y If you switch your x and y values and the new table no longer is a function then the function does not have an inverse function.

Answer: B

Answer: B