Interactive practice questions
Consider the function $y=\left|x\right|$y=|x|.
a
What values of $x$x can be substituted into the given function?
Any value of $x$x.
A
Only positive values of $x$x.
B
Only non-negative values of $x$x.
C
Only negative values of $x$x.
D
b
What values of $y$y could the function have?
Only non-negative values of $y$y.
A
Only positive values of $y$y.
B
Only negative values of $y$y.
C
Any value of $y$y.
D
Easy
< 1min
Consider the function $y=\left|x\right|$y=|x|.
Easy
4min
Consider the function $y=-\left|x\right|$y=−|x|.
Easy
1min
Consider the function that has been graphed.
Easy
1min
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