Two parallel lines are cut by a transversal. What is the measure of 8

What is the pattern in the values as the exponents increase?

Sketch one cycle if the cosine function y=2cos2theta

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1