Find the indicated value.Let f(x) = 3x. f-1(81)
A. 
B. 
C. 3
D. 4
Answer: D
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Identify the property illustrated by the statement.12 ? 15 is a real number.
A. Inverse property of multiplication B. Closure property C. Multiplicative identity D. Associative property
Solve the problem.This chart shows the number of meals served in a restaurant during each of the past 4 months. Assume that the information in the chart defines a function with the name g. Find g(March).
A. 3500 B. 3557 C. 3541 D. 3562
Evaluate the expression without using a calculator.log2212
A. 12 B. 14 C. log212 D. 2
Solve the problem.If a satellite is placed in a circular orbit of 210 kilometers above the Earth, what is the equation of the path of the satellite if the origin is placed at the center of the Earth (the diameter of the Earth is approximately 12,740 kilometers)?
A. x2 + y2 = 40,576,900 B. x2 + y2 = 43,296,400 C. x2 + y2 = 167,702,500 D. x2 + y2 = 44,100