Table of Contents
Choose the correct options for the following questions.
The domain and range of the function graphed are, respectively:
Difficulty: Easy
A:
$(R^{+},1)$ and $(R^{-1}, 2)$
B:
$(-1, \propto)$ and $[0, \propto)$
C:
(-1, 0) and [0, 2)
D:
$(0, \propto)$ and (-1, 2]
Which of the following is not the rule for a function?
Difficulty: Easy
A:
$f(x)=4 \pm3x$
B:
$f(x)=\sqrt{-x}$
C:
$f(x)=\sqrt{x}$
D:
f(x)=5
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