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Question
Submitted by Bearbear on Sun, 2012-03-25 21:45
due on Thu, 2012-03-29 21:43
answered 1 time(s)
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Help with Pre-Calculus

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Submitted by geniusy_2006 on Sun, 2012-03-25 23:22
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Here are the step by step explanations for you (A+ work)

body preview (22 words)

Here are xxx xxxx xx xxxx xxxxxxxxxxxx xxx xxx xxx xxxxx

just xxxxx in xxx xx I am not xxxxxxxx xxx it.

file1.doc preview (1187 words)

x

xx all steps with brief xxxxxxxxxxxx xxxxxxx xx xxxx xxx xxxx xx xxx examples xx xxx xxxxxx

Before you do xx read xxx xxxx xx the xxx xx xxx exam.

Find the xxxx xxxxxxx by xxx xxxxxxxxxxx

y = xxx xxx x = x

We can find the xxxxx by plotting points

Y = |x|

The xxxxxx xxxxxx will xx a xxxxxxxx xx shown xx xxxxxxx

For x = 4 xx xxx points (0, xx xxx 4) joining xx xxx the xxxxxxx

For x xxxx we xxx the graph xx shown xx xxxx

Point of intersection xxx xxx 4) xxx (-4, 4)

So we get Base of xxxxxxxx as x units

xxx xxxxxx xx triangle xx x xxxxxx

Area = ½ x x * 4 x 16 xx xxxxxx

xxx

Solve each xxxxxx xxxxx xxxxxx the xxxxxxxxxxx xxxxxx xx xxx substitution xxxxxxx Verify xxxx result xx graphing each xxxxxxx xxxxxxxx xxx xxxxx of intersection xx xxxx graph.

2x x x x 7

-2x x xx x xx

Also, xxxxxx xxxx result by graphing the xxxxxx xx xxxxxxxxx xxxxxxx

xx + x = 7

-2x x xx = xx

Adding xxx two xxxxxxxxx xx can xxxxxxxxx x

We xxxx

xx =

- - - more text follows - - -


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