Let's see
Let y=f(x)
Intechange x and y
Find y
The inverse is y=x/4
Graphs attached
It's saying <em>d </em><em> </em>÷ <em>h </em><em> </em>= <em>x.</em>
<em>d </em> is the money
<em>h</em> is the hours
<em>x</em> is the unknown answer
3/5 by 10 = 6