Use the verbal description to write a formula for f(x). Then evaluate the function as indicated.Multiply the input by 4 and subtract 7 to obtain the output. Find f(-3).
A. f(x) = 4x + 7; -5
B. f(x) = -4x - 7; 5
C. f(x) = 4x - 7; -19
D. f(x) = -4x + 7; -18
Answer: C
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