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Mathematics 13 Online
OpenStudy (anonymous):

If f(x) = 9 − 4|x + 1|, find f(−5).

OpenStudy (anonymous):

@texaschic101

OpenStudy (anonymous):

im not good at this but i can try

OpenStudy (anonymous):

okayyyy

myininaya (myininaya):

Replace the x's with -5.

OpenStudy (anonymous):

i got 23 am i correct?

myininaya (myininaya):

9-4|-5+1| 9-4|-4| Can you do this from here? what is the absolute value of -4?

OpenStudy (anonymous):

ohhhh is it -7?

myininaya (myininaya):

yes 9-16=-7 good job

OpenStudy (texaschic101):

absolute values are positive, so the absolute value of -4 is 4. so you have 9 - 4 * 4 9 - 16 = -7 thats what I got

OpenStudy (anonymous):

OpenStudy (anonymous):

Write the equation for the graphed function.

OpenStudy (anonymous):

f(x) = |x| − 3

OpenStudy (anonymous):

i think its that?

OpenStudy (anonymous):

sorry about short but i got hte same answer

OpenStudy (anonymous):

short answer*

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