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15-10-2021
Mathematics

contestada

find x if f(x)=-21: f(x)=2x+9

Respuesta :

TheUnknownScientist TheUnknownScientist

15-10-2021

Answer:

The answer is -33

Step-by-step explanation:

f(x) = 2x + 9; f(x) = -21

= 2(-21) + 9

= -42 + 9

f(x) = - 33

Thus, The answer is -33

-TheUnknownScientist 72

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