True or false an perpendicular cd < cad ~cbd

Which of the following is the true for f(x) = 5cos

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Use the ratio test to determine whether ∑n=14∞n+2n! converges or diverges. (a) find the ratio of successive terms. write your answer as a fully simplified fraction. for n≥14, limn→∞∣∣∣an+1an∣∣∣=limn→∞.