If f(x)=2x+9, then f(-1)= _____

asked Jun 6, 2020 82.8k views

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1 vote

Answer:

f(-1) = 7

Explanation:

Put -1 where x is and do the arithmetic.

f(-1) = 2(-1) +9 = 7

Tahir Alvi answered Jun 12, 2020

8.6k points

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