briannaharries09 briannaharries09

24-05-2019
Mathematics

contestada

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

Respuesta :

sqdancefan sqdancefan

28-05-2019

Answer:

f(-1) = 7

Step-by-step explanation:

Put -1 where x is and do the arithmetic.

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

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