Saturday
July 26, 2014

Homework Help: calculus

Posted by gen on Thursday, November 11, 2010 at 7:10pm.

1. if f(x)=3^x-3^-x, find :f(2),f(-1)
2. if y1=x^2+3x-1 and y2=x-5,
find: a. y1+y2
b. y1-y2
c. y1(y2)

please show solution thanks.

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