Question

Given f(x) = -x + 12, what is the value of f(-3)?

Answer 1

f(-3) = 15

Explanation:

Given that,

f(x) = -x + 12

You have to solve for,

f(-3) = ?

For that,

you have to put (-3) instead of x

f (-3) = -x + 12

= -(-3) + 12

= +3 + 12

= 15

Hope this helps you.

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