Question

On a certain function machine, an input of 2 has an output of -8. An input of -5 has an output of 20. An input of 0 has an output of 0. Which of the following phrases describes the function rule?

Subtract 10.
Multiply by -2 and then subtract 4.
Multiply the input by -4.
Multiply by -3 and then add 5.

Answer 1

Your answer with be 24 I’m pretty sure I’m really good In math

Answer 2

Multiply the input by -4

Explanation:

2*-4=-8

-5*-4=20