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Andrews [41]
3 years ago
8

Find x if f(x) = 2x + 7 and f(x) = -1. a.5 b.-3 c.-4​

Mathematics
1 answer:
Stella [2.4K]3 years ago
7 0

Answer:

<em>Answer c. -4</em>

Step-by-step explanation:

<u>Equations</u>

Given:

f(x) = 2x + 7

We need to find the value of x such that:

f(x) = -1

Equating:

2x + 7 = -1

Subtracting 7:

2x = -1 - 7

Operating:

2x = -8

Dividing by 2:

x = -8 / 2 = -4

x = -4

Answer c. -4

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