josborne24 josborne24

09-10-2020
Mathematics

contestada

Find x if f(x) = 2x + 7 and f(x) = -1.
A.5
B.-4
C.-4

Respuesta :

Аноним Аноним

11-10-2020

Answer:

x = - 4

Step-by-step explanation:

Hi there !

if f(x) = 2x + 7 and f(x) = -1 =>

2x + 7 = - 1

2x = - 1 - 7

2x = - 8

x = - 8 ÷ 2

x = - 4

Good luck !

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