Mai is running for president of the chess club, and she received 22 votes. There are 40 members in the club. What percentage of the club members voted for Mai?

↳Redirected from "Suppose that I don't have a formula for #g(x)# but I know that #g(1) = 3# and #g'(x) = sqrt(x^2+15)# for all x. How do I use a linear approximation to estimate #g(0.9)# and #g(1.1)#?"