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anonymous
 one year ago
PLEASE HELP FOR STUDY GUIDE!
What is the equation, in standard form, of a parabola that models the values in the table?
x: 2, 0, 4
f(x): 7, 3, 73
A. y = 3x2  4x + 3
B. y = 4x2  3x + 3
C. y = 3x2  3x + 4
D. y = 4x2 + 3x  3 < NOT CORRECT
anonymous
 one year ago
PLEASE HELP FOR STUDY GUIDE! What is the equation, in standard form, of a parabola that models the values in the table? x: 2, 0, 4 f(x): 7, 3, 73 A. y = 3x2  4x + 3 B. y = 4x2  3x + 3 C. y = 3x2  3x + 4 D. y = 4x2 + 3x  3 < NOT CORRECT

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Just take the values from x and plug them into the equation. For instance Lets look at A If we put 2 in for x it should give us y= 7. Lets see \( \huge y = 3(2)^2  4(2) + 3 = 1 \) so y = 1 so this is not correct or our answer. Do the same thing for B \( \huge y = 4(2)^2  3(2) + 3 = 14 \) So we know B is not the right answer because when x = 2 i the f(x) = 7 but B says it = 14. Now that you know that A and B is not the right answer, what one do you think is correct?
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