Warm-Up 3.2 f(x) = -4x 2 – 5 Find each of the following. 1.f(9) – f(3) 2. 8f(5) f(9) = -329f(5) = -105 f(3) = -418 · -105 = -840 f(9) – f(3) = -288.

Warm-Up 3.2 f(x) = -4x 2 – 5 Find each of the following. 1.f(9) – f(3) 2. 8f(5) f(9) = -329f(5) = -105 f(3) = -418 · -105 = -840 f(9) – f(3) = -288

Algebra 3 Lesson 3.2 Objective: SSBAT evaluate piecewise functions. Standards: 2.2.11C, 2.3.11E, 2.8.11B,D

PIECEWISE FUNCTION  A FUNCTION WITH SEVERAL FORMULAS, EACH OF WHICH APPLIES TO A SPECIFIC PART OF THE DOMAIN OF THE FUNCTION Example :

1.Use the given piece-wise function to evaluate each. a. f(3) b. f(0)

c.f(-2) d. f( ¾ ) 1.Use the given piece-wise function to evaluate each.

a. f(7)b.f(4) 2.

c. f(-3)d. f(10) 2.

a. f(2)b. f(5) 3.

c. f(-4)d. f(3) 3.

Homework Worksheet 3.2

Presentation on theme: "Warm-Up 3.2 f(x) = -4x 2 – 5 Find each of the following. 1.f(9) – f(3) 2. 8f(5) f(9) = -329f(5) = -105 f(3) = -418 · -105 = -840 f(9) – f(3) = -288."— Presentation transcript: