for y=4x+2x2-x3 show how to find the value for y, when x=2 show work

Mathematics · High School · Mon Jan 18 2021

Answered on

We have,

y=4x+2x²-x³

x = 2

Putting value of x, we get

y = 4(2) + 2(2)² - (2)³

y = 8 + 2(4) - 8

y = 8 + 8 - 8

y = 8

 

Hence, value of y is 8 for x = 2.