# Test: Exponential and Logarithmic Function - Normal

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Question 1:   Which graph represents a function:  $y={\left(\frac{1}{7}\right)}^{x}+1$

Question 2:   How many roots are in the equation:  ${3}^{x}=x$
$3$
$1$
$2$
$0$
Question 3:   How many roots are in the equation:  ${5}^{x}={x}^{2}$
$3$
$2$
$1$
$0$
Question 4:   Solve the equation:  ${4}^{x}=256$
$x=5$
$x=3$
$x=4$
$x=\frac{4}{3}$
Question 5:   Find the root of the function  $y={e}^{\left(x-3\right)}-1$  by plotting a graph
$x=1$
$x=3$
$x=2$
$x=0$
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