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  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -

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Topic review (newest first)

hellrom
2006-01-03 18:09:44

you can use the formula d(a^x)/dx = a^x (ln a)

so will get ( 4^(-x + 3) (ln 4) (-1) )

Jacobpm
2006-01-03 17:51:20

Find dy/dx if y = 4^(-x + 3)

I really don't know how to go about doing this.. never had to take the derivative of something with a variable as an exponent..

Thanks for the help in advance.

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