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

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

User Quiram
by
8.3k points

1 Answer

1 vote

Answer:

f(-1) = 7

Explanation:

Put -1 where x is and do the arithmetic.

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

User Tahir Alvi
by
8.2k points
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