For the quadratic function f(x) = - (x - 1)(x – 5), identify the x-intercepts, vertex, and the y-intercept, then graph. What are the intervals for which the function is positive or negative? What are the intervals for which the function is increasing or decreasing?

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter9: Quadratic Equations And Functions
Section9.7: Graph Quadratic Functions Using Transformations
Problem 361E: Graph the quadratic function f(x)=x2+4x+5 first using the properties as we did in the last section...
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For the quadratic function f(x) = - (x - 1)(x – 5), identify the x-intercepts, vertex, and the y-intercept, then graph.

What are the intervals for which the function is positive or negative?

What are the intervals for which the function is increasing or decreasing?

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