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December 20, 2014

December 20, 2014

Posted by **Anonymous** on Sunday, February 5, 2012 at 11:13am.

{−8 if −3 ≤ x ≤ 0

{x if 0 < x ≤ 3

Evaluate the given expressions.

a)f(-1)=

b)f(0)=

(^Teach how to do this.)

What is the formula?

a)(−8)*(x > −3)*(x >= 0) + (x)*(x <= 0)*(x > 3)

b)(−8)*(x >= −3)*(x <= 0) + (x)*(x > 0)*(x <= 3)

c) (−8)*(x <= 0) + (x)*(x <= 3)

d)(−8)*(x >= −3) + (x)*(x > 0)

Thank You.

- Math: Pre Cal -
**bobpursley**, Sunday, February 5, 2012 at 12:23pma. You have to be kidding. is -1 in the region -3 to 0? If so, f(-1)=-8

Now, which region is x=0 in?

b. second question on formula. All that makes no sense to me.

- Math: Pre Cal -
**Anonymous**, Sunday, February 5, 2012 at 6:10pmI like answer B

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