Question

What is the value of the function y = 2x + 3 when x = -4?
O 5
0 2
O 1
0 – 5

Answer 1

Since you know the value of x, which is -4, you can substitute/plug it into the equation.

y = 2x + 3 Substitute -4 into x

y = 2(-4) + 3

y = -8 + 3

y = -5 Your answer is the 4th option