Select the correct answer.
which relation is a function?
a.
{(2, 3), (1, 5), (2, 7)}
b.
{(-1, 5), (-2, 6), (-3, 7)}
c.
{(11, 9), (11, 5), (9, 3)}
d.
{(3, 8), (0, 8), (3, -2)}

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase