Question

If you evaluate the function rule y = 2x when x=-4, what will be your output?

Answer 1

When x=-4 then y= 2*(-4)then
y= -8

Answer 2

y = - 8

Explanation:

The input is x and the output is y

Given

y = 2x ← input the value x = - 4, then

y = 2 × - 4 = - 8 ← output