Find x if f(x) = 2x + 7 and f(x) = -1.A. -4. B. -3. C. 5.
2 answers:
Answer:
A. -4
Step-by-step explanation:
Set equations equal to each other.
2x+7=-1
Subtract 7 from both sides.
2x = -8
Divide both sides by 2.
x = -4
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