Which is a rational number?
-15/4
-7/9
4 with a rational sign?
pi

In the geometric progression –3, 12, −48… what term is 3,072?

What function has a range {yly< 5}? question on picture above^

For which pairs of functions is (f•g)(x)=12x? f(x)=3-4x and g(x)=16x-3 f(x)=6x2 and g(x)= 2/x f(x)= and g(x) = 144x f(x)=4x and g(x) =3x