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OpenStudy (anonymous):
Evaluate the function f (x) 4 • 7x for x 1 and x = 2. Show your work.
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OpenStudy (anonymous):
@Dianie plz help...
OpenStudy (anonymous):
you have to substitute -1 and 2 for x so f(-1)=4*7(-1)
OpenStudy (anonymous):
multiply 4*7=28 then multiply by -1 28*-1=-28
OpenStudy (anonymous):
now substitute x for 2
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