what is f(x) = 2x2 28x – 5 written in vertex form? a.f(x) = 2(x 7)2 – 19 b.f(x) = 2(x 7)2 – 103 c.f(x) = 2(x 14)2 – 14 d.f(x) =
2(x 14)2 – 98
2 answers:
Hello,
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Answer B
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2x²+28x-5=2(x²+2*7x+49)-5-2*49=2(x+7)²-103
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Answer:
f(x) = 2(x + 7)^2 – 103
Step-by-step explanation:
This is 100% correct for edge.nuity and e2020.
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