valen28granada
valen28granada
23-08-2018
Mathematics
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If f(x)= 5x-3 what is f(-4)
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shaisha26js
shaisha26js
23-08-2018
plug the -4 into equation
f(-4) = 5(-4) -3
multiply 5•-4= -20
then subtract -20-3
when you have two negatives you add
= -23
[tex]f ( - 4) = 5( - 4) - 3 = - 23[/tex]
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