Use quadratic regression to find the equation of the parabola
going through these 3 points.
(-1,-23), (-3,-67), (2,13)
y = [ ? ]x2 + [ ]x + []

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

Ataxi company charges $2.25 for the first mile and then $0.20 per mile for each additional mile, or f = $2.25 + $0.20(m - 1) where f is the fare and m is the number of miles. if juan's taxi fare was $6.05, how many miles did he travel in the taxi? if juan's taxi fare was 7.65, how many miles did he travel in taxi

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees