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Please help! AlG 1!

The graph of which function will have a maximum and a y-intercept of 4?
f(x) = 4x2 + 6x – 1
f(x) = –4x2 + 8x + 5
f(x) = –x2 + 2x + 4
f(x) = x2 + 4x – 4

2 Answers

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the third one is correct

:)

User Kkara
by
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The third answer has a y-intercept of 4. 
User Gabriellanata
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