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