The functions f and g are defined as follows. f(x) = 3x² – 3x
g(x) = 2x-1
Find f(-2) and g(-5).
Simplify your answers as much as possible.

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

Me! i will mark brainliest! i don't get polynomials and all that other stuff. so this question is really hard. multiply and simplify.(x - 4) (x^2 – 5x – 6)show your