Question

For y = 4x + 2x2 – x3, show how to find the value for y, when x = 2. Show your work

Answer 1

are the 3 and second 2 like powers?

Answer 2

y = 4x + 2x2 – x3
y = 4(2) + 2(2)^2 – (2)^3
y = 8 + 8 - 8
y = 8