Form quadratic functions given the following information:f(x)>0 if and only if 1

Evaluate cos2θ for cosθ = square root of 3/2

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.

Find the solution on the interval [0, 2pi)