If you have the following function f ( x ) = 5x + 6, compute f (5), f (-5), f (9), f (-9).
A. f (5) = 34, f (-5) = -21, f (9) = 54, f (-9) = -41
B. f (5) = 31, f (-5) = -19, f (9) = 51, f (-9) = -39
C. f (5) = 30, f (-5) = -18, f (9) = 50, f (-9) = -38
D. f (5) = 32, f (-5) = -20, f (9) = 52, f (-9) = -40
E. f (5) = -31, f (-5) = 19, f (9) = - 51, f (-9) = 39
Answer: B
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