Evaluate the function.
?If y = f(x), find f(-2).
A. -1
B. 4
C. 1
D. -4
Answer: C
Mathematics
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Use reduction formulas to evaluate the integral.
A. - 
cot3 4x + 
cot 4x + C
B. - 
cot3 4x - 
cot 4x + x + C
C. - 
cot2 4x + 
cot 4x - x + C
D. - 
cot3 4x + 
cot 4x + x + C
Mathematics
Find the inverse of the function represented by the set of ordered pairs.f: {(6, -11), (-5, -10), (-7, -9), (-9, -8)}
A. f-1: {(-10, -11), (-8, -7), (6, -7), (-9, -9)} B. f-1: {(-11, 6), (-10, -5), (-9, -7), (-8, -9)} C. f-1: {(-10, -11), (-11, -7), (6, -5), (-9, -9)} D. Not invertible
Mathematics
Solve the problem.A certain exotic sports car costs three hundred twelve thousand, nine hundred ninety-five dollars. Write as a number.
A. 3,209,950 B. 312,995,000 C. 312,995 D. 31,295
Mathematics
Given matrix A, find the indicated minor.Find M21.A =
A. 27 B. -27 C. 33 D. -33
Mathematics