The function below shows the cost for Mrs. Franklin to go to a buffet with c of her
grandchildren.
f(c) = 6.85 +2.95c
a. What is the y-intercept, and what does it mean?
b. What is the slope, and what does it mean?
c. If Mrs. Franklin paid 18.65 for the buffet, how many of her grandchildren did she take
to the buffet?