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Mathematics 7 Online
OpenStudy (anonymous):

question in pic link :) http://gyazo.com/43599de15866d041b7f8adddfce4977e

OpenStudy (mathstudent55):

Add the two functions; what do you get?

OpenStudy (anonymous):

prime x +3

jimthompson5910 (jim_thompson5910):

did you mean |x| + 3 ?

OpenStudy (anonymous):

yes

jimthompson5910 (jim_thompson5910):

graph |x|+3 using something like desmos https://www.desmos.com/calculator

jimthompson5910 (jim_thompson5910):

what shape forms?

OpenStudy (anonymous):

okay one sec

OpenStudy (anonymous):

a v

OpenStudy (anonymous):

@jim_thompson5910

jimthompson5910 (jim_thompson5910):

what's the lowest point of that V ?

OpenStudy (anonymous):

0,3

OpenStudy (mathstudent55):

You are correct. (f + g)(x ) = |x| + 3 This is a shift of 3 units up in y compared to y = |x| To help with graphing, look at the graph of y = |x|, and compare with what you have, y = |x| + 3

OpenStudy (anonymous):

so the answer is A

OpenStudy (anonymous):

right?

jimthompson5910 (jim_thompson5910):

yes, effectively \[\Large y \ge 3\]

OpenStudy (anonymous):

yay ty

jimthompson5910 (jim_thompson5910):

np

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