Quadratic Functions: Factored Form

Question 9 of 10 • LA-Algebra I CR

The graph of the function f(x) = (x – 4)(x + 1) is shown below.

Answer

The function is increasing for all real values of x wherex < 0.

The function is increasing for all real values of x wherex < –1 and where x > 4.

The function is decreasing for all real values of x where–1 < x < 4.

The function is decreasing for all real values of x wherex < 1.5.

Unit Test

Completing the Square (Continued)

Comparing Exponential, Linear, and Quadratic Growth