Explain whether the given equation defines an exponential function. Give the base for each exponential function.y = 5x
A. No, the exponent is a variable.
B. No, the base is a constant.
C. Yes, the base is 5.
D. Yes, the base is x.
Answer: C
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Rewrite the expression without using negative exponents. (Assume all variables represent nonzero real numbers.)x-2
A. 
B. 2x
C. x2
D. 
The graph of a certain function y = f(x) and the zero of that function is given. Using this graph, find a) the x-intercept of the graph of y = f(x) and b) the solution to the equation f(x) = 0.
A. a. 15 b. x = -15 B. a. 15 b. x = 15 C. a. 0 b. x = 15 D. a. 15 b. x = 0
Use the graph of the equation 
shown below to identify the graph of one complete cycle of the equation 
.
?
?
A. ?
B. ?
C. ?
D. ?
?
E. ?
Solve the equation for t if 
. Give the answer as an exact value in radians. Do not use a calculator.
?
What will be an ideal response?