Which of the following is equivalent to
2 cos²(x) - cos(2x) ?
a. sin(2x)
b. sin²(x)
c. 1
d. 2

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?