Homework Help: college algebra

Posted by debbie on Tuesday, January 29, 2013 at 5:49pm.

Identify where f increases and where f decreases. f(x)=5x+3

I think it's (3,5) increases and (3,-2) decreases?

college algebra - Henry, Thursday, January 31, 2013 at 9:00pm
F increases when x is positive and F
decreases when x goes negative.

F(x) = 3x + 3.
F(2) = 3*2 + 3 = 9. (3,9).
F(-2)=3*(-2) + 3 = -6 + 3=-3. (-2,-3).

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