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Chapter 2 help? (1 Viewer)

Andy005

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y''=8x
y'=4x^2+C
m=tantheta
m=tan45
m=1

Tangent at (-2,5)

1=4(-2)^2 +C
C = -15

y'=4x^2 -15
y=4x^3/3 -15x + C
5=4(-2)^3/3 -15(-2) + C
C = -43/3

Therefore y=4x^3/3 -15x -43/3
 

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