Answer:

Step-by-step explanation:
Given

Required
Determine the inverse function
Start by replacing f(x) with y

Swap the positions of y and x

Make y the subject: <em>Add 4 to both sides</em>


Make y the subject: <em>Divide through by 2</em>
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Replace y with f-1(x)

They should be 54 students who know how to salsa
Step-by-step explanation:
Answer:
Put a pretend dot at number 2 and number -4, then since the line is undefined, it will simply be vertical and look like this:
Answer:
C
Step-by-step explanation:
when graphed c is the only straight line.