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5 votes
Find f(-7) if f(x) = 2x + 8

User Rych
by
3.7k points

2 Answers

3 votes
F(-7)=2(-7)+8
=-14+8
=-6
User Plspl
by
3.7k points
3 votes

Answer:

-6

Explanation:

f(x) = 2x + 8

Put x as -7.

f(-7) = 2(-7) + 8

Multiply first.

f(-7) = -14 + 8

Add.

f(-7) = -6

User Muhammad Ali Nazar
by
3.8k points