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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.
you can use the formula d(a^x)/dx = a^x (ln a)
so will get ( 4^(-x + 3) (ln 4) (-1) )
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