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If f(x)=5x+40, what is f(x) when x=-5
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4 votes
If f(x)=5x+40, what is f(x) when x=-5

User James Joyce
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6.8k points

2 Answers

4 votes
f(x)= 15

First substitute, multiply, add the 40 and you get your answer
User Rayanna
by
5.7k points
7 votes

Answer:15

Explanation:

5x=40 (replace x by-5)

(5*-5)+40

=-25+40

=15

User Jesus Erwin Suarez
by
6.2k points
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