Find the inverse of the function.f(x) = (x - 15)2, x ? 15
A. f-1(x) = 
B. f-1(x) = - 
C. f-1(x) = 
+ 15
D. f-1(x) = x2 + 15
Answer: C
Mathematics
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Use the appropriate identity to find the indicated function value. Rationalize the denominator, if applicable. If the given value is a decimal, round your answer to three decimal places.cos ?, given that sec ? = -7
A. 
B. 
C. - 
D. - 
Mathematics
Solve the equation for -2? ? x ? 2?.csc x = 1
A. -2?, 0, 2?
B. - 
, 
C. -?, ?
D. none
Mathematics
Find the inverse, if it exists, for the matrix.
A. 
B. 
C. 
D. The inverse does not exist.
Mathematics
Round the numbers so that there is only one non-zero digit, and estimate the answer. Then perform the indicated operation to find the exact answer.28.1 × 1.9
A. estimate: 53 B. estimate: 6 C. estimate: 60 D. estimate: 50
Mathematics