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can you find the derivative of the curve...?

i don't know

ok... have you done or are you doing calculus?

doing calculus

ok... can you differentiate y = x^4...?

4x^3

and can you differentiate
\[ y = 4e^{x} \]

x4e

or is it x4e^-x

4xe^-x

y'=4

=-1/4x^3+4e^x

y=4x-4

can you try again..

y=4x+4

y=-1/4x+4

that looks good... so there you have your solutions.

thank you

hope it helps... you do need to practice you differentiation basics.

yeaa