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OpenStudy (anonymous):
For f(x)= 5 x + 1, find f(-4). A -19 B 1 C -21 D 21 Can you also explain this? I don't quite get it. Thanks :)
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OpenStudy (anonymous):
It's A for anyone who was wondering. I still don't understand this... :L
OpenStudy (kirbykirby):
You plug in the value x=-4 into the formula: \(5(-4)+1\) \(=-20+1\) \(=-19\) Since 5x represents a multiplication, you perform a multiplication when you plug in x =-4
OpenStudy (anonymous):
Thank you :)
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