240 likes | 256 Views
Algebra II. 2.7: Use Absolute Value Functions and Transformations HW: p.127 (4-20 even). Absolute Value Function Graph. Absolute Value Function Graph. Graph. Graph. Graph. Graph. Graph. What do you notice?. What do you notice?. How to Graph. Identify points on the graph
E N D
Algebra II 2.7: Use Absolute Value Functions and Transformations HW: p.127 (4-20 even)
How to Graph • Identify points on the graph • If a is positive the V will open up. • If a is negative the V will open down. • Translate the graph horizontally h units and vertically k units.
Algebra II 2.7 extension: Use Piecewise Functions Quiz 1.3, 1.5, 2.7: Tomorrow
What is a piecewise function? • At least two equations, each of which applies to a different part of the function’s domain.
Evaluate the function g(x) above: • A.) x = 1 • B.) x = 5
Evaluate the function f(x) above: • A.) x = -4 • B.) x = -2 • C.) x = 0 • D.) x = 4
Algebra II 2.7 extension: Use Piecewise Functions HW: p.131 (1-8 all)
Step function • A piecewise function is called a step function when it is defined by a constant value over each part of its domain. • Example: