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

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asked Jan 15, 2017 34.5k views

1 Answer

Tsagana Nokhaeva · Answer 1 · 2017-01-20T06:44:47+0000

To find the value of y in the given equation, substitute the given value of x to the equation.

y = 4x + 2x² -x³

Substitute 2 for all x's.

y = 4(2) + 2(2²) - 2³ = 8

Therefore, the value of y is 8.

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

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