CPM Homework Help : CALC Problem 1-71

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1-71.

Find the domain of each of the following functions.

$f ( x ) = \sqrt { x + 2 }$
Hint (a):
If the domain of the parent graph, $y=\sqrt{x}$ , is $x\ge 0$ , what is the domain of $f(x)$ ?

$f ( x ) = \frac { 1 } { x - 4 } + 3$
Hint (b):
If the domain of the parent graph, $y=\frac{1}{x}$ , is $x \neq 0$ , what is the domain of $f(x)$

f(x) = log (x − 4)
Hint (c):
If the domain of the parent graph, $y=\text{ log}{x}$ , is $x > 0$ , what is the domain of $f(x)$ ?

$f ( x ) = \sqrt { \frac { 2 - x } { x } }$

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