Given the definitions of f(x) and g(x) below, find the value of (g•f)(0). f(x) = -3x + 5
g(x) = 2x2 + 2x – 3

Which geometric principle is used to justify the construction below?

In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.

Which of the following points is a solution to the system of equations shown? y - x = -1 x + y = -5