Use the tables to evaluate the expression if possible.Find (f ? f)(4). 
A. 19
B. 4
C. 13
D. 9
Answer: A
Mathematics
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Find v ? u.v = 2i + 2j and u = 8i + 4j
A. 10i + 6j B. 24 C. 8 D. 16i + 8j
Mathematics
Factor. If the polynomial is prime, so state.u2 - 16u + 63
A. (u + 7)(u - 9) B. (u - 7)(u - 9) C. (u - 7)(u + 9) D. (u + 7)(u + 9)
Mathematics
Multiply.-4 ? 4 ? (-4)
A. 54 B. -64 C. 164 D. 64
Mathematics
Find the product.-7x(6 - 8x)
A. -42x + 56x2 B. 70x C. -42x - 8x2 D. -42x - 56x2
Mathematics