3 years ago

If f(x) = 3x - 7, find f(-1)

Mathematics

1 answer:

Aleksandr [31]3 years ago

4 0

-1 = 3x - 7
Add +7 to each side
6 = 3x
Divide each side by 3
X = 2

f(-1) = 3 * 2 - 7

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