Sunday

November 23, 2014

November 23, 2014

Posted by **help** on Saturday, March 24, 2012 at 4:27pm.

1. Simplify, and write in the base of 3: (9^x . 3^4x)^2

answer: 3^12x

2. Differentiate and simplify

a. y= 3x^4 - 4e^x + 8

answer: 4(3x^3 - e^x)

b. y= (3 + 4e^x)^5

answer: 20e^x (3+ 4ex)^4

c. y= (e^x - 1) / x^2

answer: (xe^x - 2e^x +2) / x^3

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