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Mathematics 43 Online
OpenStudy (anonymous):

If f(x) = −4x + 1, find f(−5). 20 −19 21 −8

OpenStudy (anonymous):

Replace x with -5 ... what do you get?

OpenStudy (anonymous):

-5*-4+1 tell us what do u get

OpenStudy (anonymous):

-8

OpenStudy (anonymous):

Is that right?

OpenStudy (anonymous):

what's (-4 x -5) ?

OpenStudy (anonymous):

20

OpenStudy (anonymous):

Order of operations: 1) you multiply -4 by -5.... then 2) add 1

OpenStudy (anonymous):

right! 20 + 1

OpenStudy (anonymous):

O ok so its 21

OpenStudy (anonymous):

yup!

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