Show that f and g are inverses of each other by verifying that f(g(x)) = x = g(f(x)).f(x) = 
; g(x) =
What will be an ideal response?
f(g(x)) = f
= 
= 
= 
= 
= 
= x
g(f(x)) = g
= 
= 
= 
= 9 ? 
= x
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Find all the polar coordinates of the point.(6, ?/4)
A. (6, ?/4 + 2n?), (6, -3?/4 + 2n?) B. (6, ?/4 + 2n?), (-6, -3?/4 + 2n?) C. (6, ?/4 + 2n?), (-6, 3?/4 + 2n?) D. (6, ?/4 + 2n?), (-6, -?/4 + 2n?)
Solve. Write the answer in simplest form.Jennifer is building some shelves and requires 18 pieces of wood that are each 1
feet long. What is the total length of wood that Jennifer needs?
A. 18 feet
B. 26 feet
C. 162 feet
D. 19
feet
Use Cramer's rule to solve the system. 3x - 2y + 2z - w = 2 4x + y + z + 6w = 8-3x + 2y - 2z + w = 5 5x + 3z - 2w = 1
A. 
B. 
C. 
D. Can't use Cramer's rule, D = 0
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = - 
, 
< ? < 2?Find sin(2?).
A. 
B. 
C. - 
D. - 