1. Functions
Interactive practice questions
Consider the equation $y=5\times4^x$y=5×4x.
Find the value of $y$y when:
a
$x=0$x=0
b
$x=2$x=2
c
$x=-1$x=−1
Easy
1min
Consider the function $f\left(x\right)=2+3^x$f(x)=2+3x.
Easy
1min
Consider the function $f\left(x\right)=3^x+3^{-x}$f(x)=3x+3−x.
Easy
1min
What is the type of function shown in the table?
Easy
< 1min
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