domain

inputs

outputs

range

domain

inputs

outputs

range

$\left(-\infty,\frac{4}{7}\right)$

$\left(\frac{4}{7},\infty\right)$

$\left(\frac{7}{4},\infty\right)$

$\left(-\infty,\frac{7}{4}\right)$

constant

dependent

independent

real

$\left(-\infty,1\right)$

$\left(-\infty,-1\right)$

$\left(-1,\infty\right)$

$\left(1,\infty\right)$

$\left(-\infty,\infty\right)$

$\left(-\infty,0\right)$

$\left(0,\infty\right)$

$\left(1,\infty\right)$

linear

logarithmic

polynomial

quadratic

$\left(-\infty,2\right)$

$\left(-\infty,-2\right)$

$\left(2,\infty\right)$

$\left(-2,\infty\right)$

 $\frac{1}{8}=\frac{3}{4}$  

 $\frac{8}{4}=\frac{1}{3}$  

 $16=\frac{3}{4}$  

 $16=\frac{1}{8}$  

y = 2x⁴

y = x⁴

y = 4^x

y = x^-4

$\left(-\infty,6\right)$

$\left(-\infty,-6\right)$

$\left(6,\infty\right)$

$\left(-6,\infty\right)$