Sunday, March 4, 2018

Finite Mathematics, Chapter 1, 1.2, Section 1.2, Problem 4

Suppose that $f(x) = 7 - 5x$. Find $f(-1)$
To find $f(-1)$, substitute -1 to $f(x)$
$f(-1) = 7 - 5 (-1) = 7 +5 = 12$

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