The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Answer: A
Mathematics
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Verify the identity.tan 
= -cot ?
What will be an ideal response?
Mathematics
Find the common difference of the arithmetic sequence.8, 13, 18, 23, ...
A. -5 B. 15 C. 5 D. -15
Mathematics
Use Descartes' Rule of Signs to determine the possible number of positive and negative real zeros for the function. Then, use a graph to determine the actual number of positive and negative real zeros.P(x) = -4x4 - 8x3 - 9x2 - 2x + 9
A. possible: 0 or 2 pos, 0 or 2 neg
actual: 2 pos, 0 neg
B. possible: 1 pos, 1 or 3 neg
actual: 1 pos, 1 neg
C. possible: 1 pos, 1 or 3 neg
actual: 1 pos, 1 neg
D. possible: 1 pos, 1 neg
actual: 1 pos, 1 neg
Mathematics
Add by using the number line.4 + -5
A. 
B. 
C. 9
D. 1
Mathematics