Change the logarithmic expression to an equivalent expression involving an exponent.log464 = 3
A. 643 = 4
B. 464 = 3
C. 43 = 64
D. 34 = 64
Answer: C
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Solve the problem.Use the fact that tan-1 x = 
for |x| < 1 to find the series for cot-1 x.
A. 
B. 
C. 
- 
D. 
- 
The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = -2x
C. f-1(x) = 
D. f-1(x) = 2x
Find a formula for the inverse of the function described below.An organization determines that the cost per person of chartering a bus is given by the formula 
where x is the number of people in the group and C(x) is in dollars.
A. C-1(x) = 
B. C-1(x) = 
C. C-1(x) = 
D. C-1(x) = 
Use a proportion to solve the application.According to a recent study, 1.54 million households in one American city have pets. Out of every 100 people, 56 have more than one pet. How many households own more than one pet?
A. 86,240 people B. 805,999 people C. 862,400 people D. 869,127 people