Exponential Functions
Interactive practice questions
The graph of $y=2^x$y=2x is displayed here.
Loading Graph...
a
What is the $y$y-intercept of this graph?
b
Does the graph have an $x$x-intercept?
Yes
A
No
B
c
Which single option below gives us the graph's domain?
$x\ge0$x≥0
A
$x>0$x>0
B
All real $x$x
C
$x<0$x<0
D
d
What is the graph's range?
All real $y$y
A
$y<0$y<0
B
$y>0$y>0
C
$y\ge0$y≥0
D
e
Find the value of $y$y when $x=7$x=7.
f
Find the value of $x$x when $y=256$y=256.
Easy
2min
Consider the function $y=3^x$y=3x.
Easy
4min
Consider the function $y=2^{-x}$y=2−x.
Easy
5min
Consider the curve $y=2\left(3^x\right)$y=2(3x).
Easy
2min
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