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Find x if f(x) = 2x + 7 and f(x) = -1. 1. -4 2. -3 3. 5
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1 vote
Find x if f(x) = 2x + 7 and f(x) = -1.

1. -4

2. -3

3. 5

User Famargar
by
8.2k points

2 Answers

2 votes

Answer:

-4

Explanation:

User Biswanath
by
8.2k points
7 votes
You plug in -1 for f(x) so -1=2x+7. Simplify and the answer is -4. So A.
User Jimbob
by
8.4k points
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