WILL PEOPLE STOP TALKING ABOUT HARRY POTTER AND HELP ME PLZ REWARD BRAINNLIEST

Given tan∅=4/3 and π< ∅< (3π)/2; find cos2∅ a. -24/25 b. 24/25 c. -24/7 d. -7/25

For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.