The function rule of a certain function is y = -3 x + 1. If the input is 7, what is the output? -22 -21 -20 -24

asked Feb 7, 2018 2.9k views

4 votes

The function rule of a certain function is y = -3 x + 1. If the input is 7, what is the output?

-22
-21
-20
-24

5.8k points

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0 votes

Answer:

-20

Explanation:

Gogotox answered Feb 9, 2018

6.2k points

4 votes

So i'm guessing that x is the input and y is the output...

-3x + 1 = y
(-3 × 7) + 1 = y
-21 + 1 = y
-20 = y

the output is -20

Jane Kathambi answered Feb 10, 2018

6.1k points

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