CPM Homework Help : CCA Problem 1-8

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1-8.

For each equation below, find $y$ if $x=2$ .

$y\ =\ 7-\left|x\right|$
Hint(a):
Substitute $2$ into the equation, then solve for $y$ .
Answer(a):
$5$

$y=x^2−1$
Hint(b):
Substitute $2$ into the equation, then follow the Order of Operations to find $y$ .
Answer(b):
$3$

$y=\sqrt{x+14}$
Hint(c):
Refer to part (b).
Answer(c):
$4$

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