Functions and their graphs
Interactive practice questions
Which of the following functions describes a vertical line?
$x=5$x=5
A
$f\left(x\right)=2x+7$f(x)=2x+7
B
$f\left(x\right)=-8$f(x)=−8
C
$f\left(x\right)=9x-3$f(x)=9x−3
D
$f\left(x\right)=6x$f(x)=6x
E
Easy
< 1min
Which of the following functions is a constant function?
Easy
< 1min
Which of the following functions is a linear function whose graph passes through the origin?
Easy
< 1min
Which of the following functions is represented by a graph with an $x$x-intercept $\left(-3,0\right)$(−3,0) and a $y$y-intercept $\left(0,6\right)$(0,6)?
Easy
1min
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