What does f equal 6(f+5)+8=2f

Use the graph of the sine function y=2sinθ shown below

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me

1) your friend taylor missed class today and needs some identifying solutions of systems. explain to taylor where to find the solution(s) of any system using its graph 2)taylor graphs the following in desmos and decides that f(x) = g(x) at x = 0, x = 1, & x = 3. f(x) = 2x+1g(x) = 2x2+1 provide taylor some feedback that explains which part of the answer was incorrect and why.