Given f(x) = 4x^2 – 1 and g(x) = 2x - 1, find f(g(-1)).

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0