An online retail company track total number of purchases monthly. in july 2007 there were 3840 purchases and an april 2008 there were 4200. the purchases followed a linear model of the form p=s(t)=rt+i where p purchases is in 1000’s and t is months where january 2007=0

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

Find an equation for the linear function which has slope -10 and x-intercept -7

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