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7. Given 2x+1 if x < −1 f(x) = x-4 if x > -1 (a) (4 points) Evaluate at f(-5) and f(2). (b) (6 points) Graph f(x) below. Clearly indicate which dots are open and closed. 9 8- 7- 6- 5+ 4+ 3+ 2+ 1- 9-8 -7 -6 -5 -4 -3 이 -2 -1 1 2 3 6 7 8 9 -1 -2- -3+ -4 -6 -7+ -8+ -9+

7. Given 2x+1 if x < −1 f(x) = x-4 if x > -1 (a) (4 points) Evaluate at f(-5) and f(2). (b) (6 points) Graph f(x) below. Clearly indicate which dots are open and closed. 9 8- 7- 6- 5+ 4+ 3+ 2+ 1- 9-8 -7 -6 -5 -4 -3 이 -2 -1 1 2 3 6 7 8 9 -1 -2- -3+ -4 -6 -7+ -8+ -9+

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter9: Solving Quadratic Functions
Section: Chapter Questions
Problem 31CR
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Question
7. Given 2x+1 if x < −1 f(x) = x-4 if x > -1 (a) (4 points) Evaluate at f(-5) and f(2). (b) (6 points) Graph f(x) below. Clearly indicate which dots are open and closed. 9 8- 7- 6- 5+ 4+ 3+ 2+ 1- 9-8 -7 -6 -5 -4 -3 이 -2 -1 1 2 3 6 7 8 9 -1 -2- -3+ -4 -6 -7+ -8+ -9+
Transcribed Image Text:7. Given 2x+1 if x < −1 f(x) = x-4 if x > -1 (a) (4 points) Evaluate at f(-5) and f(2). (b) (6 points) Graph f(x) below. Clearly indicate which dots are open and closed. 9 8- 7- 6- 5+ 4+ 3+ 2+ 1- 9-8 -7 -6 -5 -4 -3 이 -2 -1 1 2 3 6 7 8 9 -1 -2- -3+ -4 -6 -7+ -8+ -9+
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