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Please help! For y = 4x 2x^2 - x^3, show how to find the value for y, when x = 2 show your work
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Please help!

For y = 4x 2x^2 - x^3, show how to find the value for y, when x = 2 show your work

User Renato Prado
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1 Answer

3 votes
Since x=2, you plug it into your equation by replacing all the x with 2. You would then solve it by following the PEMDAS rule. y= 4(2) + 2(2)^2 - (2)^3 y= 4(2) +2(4) - 8 y= 8 + 8 - 8 y= 16 - 8 y= 8
User Bert Jan Schrijver
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