Answer:
D . Linear
Step-by-step explanation:
In the top the "f(x)" equals 9, now they are asking you to add onto the 9 by 1 causing it to be 10. If you did the first few you would have noticed that it takes 9 in order to get to 5 from -4.
here are the answers btw:
20cm = 0.2 m
The cost
= 0.2 x 75
= $15