Answer:I think its D
Step-by-step explanation:
I believe the answer is C!
Sorry could not type exponents
Answer:
21/4 or 5.25
Step-by-step explanation:
In the given graph, lets mark two points:
Let
and 
The slope of the line is given by:



The equation of the line is given by:






Therefore, the function equation represented by the graph is: 