For the function below, find a) the critical numbers; b) the open intervals where the function is increasing; and c) the open intervals where it is decreasing. f(x)=√√x² +4

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
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ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
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Chapter3: Graphing Linear Functions
Section: Chapter Questions
Problem 5CA
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For the function below, find a) the critical numbers; b) the open intervals where the function is increasing; and c) the
open intervals where it is decreasing.
f(x)=√x² +4
a) Find the critical number(s). Select the correct choice below and, if necessary, fill in the answer box to complete
your choice.
OA. The critical number(s) is/are
(Type an integer or a simplified fraction. Use a comma to separate answers as needed.)
B. There are no critical numbers.
Transcribed Image Text:For the function below, find a) the critical numbers; b) the open intervals where the function is increasing; and c) the open intervals where it is decreasing. f(x)=√x² +4 a) Find the critical number(s). Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. The critical number(s) is/are (Type an integer or a simplified fraction. Use a comma to separate answers as needed.) B. There are no critical numbers.
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