Check the picture below.
make sure your calculator is in Degree mode.
Answer:
f(x)=nx
or
f(x)=9.50x
Step-by-step explanation:
Let x be the amount of hours and n be the hourly rate (9.50).

or if you prefer to use 9.50 instead of n, the function would be:

Answer:
D
Step-by-step explanation:
380
Answer: Not proportional
Step-by-step explanation:
Ratio of pages read by Jim on Tuesday to minutes =
Ratio of pages read by Jim on Wednesday to minutes =
But 
Therefore, the ratios of pages read to minutes on Tuesday and Wednesday are not proportional.