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2 votes
If f(x) = 5x + 40, what is f(x) when x = –5?

answer
1. -9
2. -8
3. 7
4. 15

User Betlista
by
7.8k points

2 Answers

4 votes

f(x) = 5x + 40

f(-5) = 5(-5) + 40

= 15

Ans: 15

User Mark McKenna
by
7.1k points
2 votes

Answer:

option 4

Explanation:

f(x) = 5x + 40

f(x = - 5) = 5 ( - 5) + 40

= - 25 + 40

= 15

User Wagner Pereira
by
7.0k points