Evaluate.
A. -9
B. -11
C. 7
D. 11
Answer: B
Mathematics
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Find the inverse of the function.f(x) = 
, x ? -4
A. f-1(x) = x2 - 16, x ? 0 B. f-1(x) = -x2 + 4, x ? 0 C. f-1(x) = x2 - 4, x ? 0 D. Not a one-to-one function
Mathematics
Solve the right triangle.
B = 33°, b = 51.7
A. A = 57°, a = 79.6, c = 61.6 B. A = 33°, a = 33.6, c = 94.9 C. A = 33°, a = 33.6, c = 43.4 D. A = 57°, a = 79.6, c = 94.9
Mathematics
Using a sum or difference identity, write the following as an expression involving functions of ?.sin 
A. 
cos ? + 
sin ?
B. sin ?
C. 
cos ? - 
sin ?
D. -cos ?
Mathematics
Find the median of the set of data.8, 5, 27, 17, 29, 50, 37, 32
A. 25.5 B. 28 C. 27 D. 29
Mathematics