Question 1078931
Find the first derivatives for the following functions:

a.  y(x)=4x^5-6x^3-2x+2
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y' = 20x^4 - 18x^2 - 2 --- polynomials are easy.
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b.  y(x)=5log(x)-4e^-5x
Is it log base 10 of x?  Or ln(x)?