Asaltyskid Asaltyskid

28-07-2016
Mathematics

Answered

Help me please!! For y = 4x + 2x^2 - x^3, show how to find the value for y, When x = 2 Show your work

Verified Answer :

28-07-2016

y = 4x + 2x² - x³

When x=2 . . .

x = 2
x² = 4
x³ = 8

   4x + 2x² - x³ = 4(2) + 2(4) - (8)

   = 8 + 8 - 8

   = 8

   y = 8

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