Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.csc ? = - 
, tan ? > 0Find cos 
.
A. 
B. - 
C. 
D. - 
Answer: D
Mathematics
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Evaluate the function for the given value.f(x) = 2x2 - 2x - 7; f(k - 1)
A. -6k2 + 2k - 3 B. 2k2 + 6k + 3 C. 2k2 + 6k - 3 D. 2k2 - 6k - 3
Mathematics
Add.-19 + (-22)
A. -3 B. 41 C. 3 D. -41
Mathematics
If the function is one-to-one, find its inverse. If not, write "not one-to-one."f(x) = -8x + 1
A. f-1(x) = - 
x - 
B. f-1(x) = - 
x + 1
C. f-1(x) = - 
x - 1
D. f-1(x) = - 
x + 
Mathematics
Find the domain of the function.f(x) = 6x - 6
A. (0, ?) B. (-?, ?) C. [6, ?) D. (-?, 0) ? (0, ?)
Mathematics