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If f(x)= 5x-3 what is f(-4)
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If f(x)= 5x-3 what is f(-4)

User Spielbug
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1 Answer

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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

f ( - 4) = 5( - 4) - 3 = - 23
User BlameTheBits
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