Determining if a Relationship Is a Function
Which represents a function?

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

Evaluate cos2θ for cosθ = square root of 3/2

What is coefficient of the term of degree of degree 5 in the polynomial below