Let y = 0.25x + 4 represent the cost of going to the movie from 1985 to 1995. Let
x represent the number of years since 1985.
a. Predict the cost of going to a movie in 1997.

b. Did you use linear interpolation or linear extrapolation?

c. Predict the cost of going to a movie in 1991.

d. Did you use linear interpolation or linear extrapolation?