For f(x) = 2x + 1 and g(x) = x^2 - 7, find (f+g)(x) a.) 2x^2 - 15 b.) 2x^3 - 6 c.) x^2 + 2x - 6 d.) x^2 + 2x + 8

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.