Find the exact value of the expression if ? = 45°. Do not use a calculator.f(?) = sin ?Find f(?).
A. 
B. 
C. -
D. 
Answer: A
Mathematics
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Simplify to the form a + bi.97i280 - 63
A. -63 - 97i B. -63 + 97i C. 34 D. -160
Mathematics
Factor using the formula for the sum or difference of two cubes.125x3 + 8
A. (5x - 2)(25x2 + 10x + 4) B. (5x + 2)(25x2 - 10x + 4) C. (5x + 2)(25x2 + 4) D. (5x + 2)(25x2 + 10x + 4)
Mathematics
Divide and simplify.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Find the composition. If f(x) = 
and g(x) = 8x - 8, find f[g(x)].
A. 8
- 8
B. 8
C. 2
D. 2
Mathematics