CPM Homework Help : CCA Problem 2-45

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2-45.

Evaluate the expressions below for the given values.

Hint:

Substitute the given value for the variable and evaluate.

$−x^2+3x\text{ for }x=−3$

$5−(x−2)^2\text{ for }x=−1$

$\frac { - 5 } { k + 1 }$ for $k=−1$
Answer (c):
undefined

$|\frac{x}{x+y}|−x^2+y$ for $x=2,y=−3$
Answer (d):
$−5$

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