Find a simplified form of f(x). Assume that x can be any real number.f(x) = 
A. f(x) = 81?(x + 4)2?
B. f(x) = ?x + 4?
C. f(x) = 9?x + 4?
D. f(x) = 9(x + 4)
Answer: C
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Use the formula d = rt to find the value of the missing variable.r = 14.6 mph, t = 2 hours
A. d = 43.8 mi B. d = 14.6 mi C. d = 7.3 mi D. d = 29.2 mi
Solve the problem. Round to the nearest dollar or tenth of a percent when necessary.An office supply store sells a computer disk for $80.95. If the cost is $59.63, find the percent of markup on cost and the equivalent percent of markup on selling price.
A. 73.7%, 26.3% B. 35.8%, 73.7% C. 35.8%, 26.3% D. 73.7%, 135.8%
Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to three decimal places. log295.32
A. 1.979 B. 6.575 C. 0.152 D. 47.660
Find the following. Assume that the letter can represent any real number.
A. 
B. -
C. 
D. x