Find (a) dy/dx and (b) (d^2y)/(dx^2), where y=x^4-5x^3+9x-15
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Alright so part (a) would be... 4x3-15x2+9 I'm just not sure what they're asking for in part b?
Originally Posted by SoYah Alright so part (a) would be... 4x3-15x2+9 I'm just not sure what they're asking for in part b? Differentiate the derivavtive you just found.
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