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anonymous
 one year ago
HELP ME PLEASE
The function f(x) = −x2 + 48x − 432 models the profit, in dollars, a game developer makes for selling a new game, where x is the number of games sold and f(x) is the amount of profit.
Part A: Determine the vertex. What does this calculation mean in the context of the problem? (5 points)
Part B: Determine the xintercepts. What do these values mean in the context of the problem? (5 points)
anonymous
 one year ago
HELP ME PLEASE The function f(x) = −x2 + 48x − 432 models the profit, in dollars, a game developer makes for selling a new game, where x is the number of games sold and f(x) is the amount of profit. Part A: Determine the vertex. What does this calculation mean in the context of the problem? (5 points) Part B: Determine the xintercepts. What do these values mean in the context of the problem? (5 points)

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iGreen
 one year ago
Best ResponseYou've already chosen the best response.0Use \(\sf \dfrac{b}{2a}\) to find the xvalue of the vertex.

iGreen
 one year ago
Best ResponseYou've already chosen the best response.0The function is in the form of \(\sf ax^2 + bx + c\).

triciaal
 one year ago
Best ResponseYou've already chosen the best response.1do you know how to complete the square to put the function in vertex form? a(xh)^2 + k = 0 h = b/(2a) the vertex will be (h, k)

iGreen
 one year ago
Best ResponseYou've already chosen the best response.0@triciaal We don't nee it in vertex form to use \(\sf \dfrac{b}{2a}\)

triciaal
 one year ago
Best ResponseYou've already chosen the best response.1the vertex is at is the highest or lowest yvalue when a is negative the parabola opens down so your vertex is at the maximum y

triciaal
 one year ago
Best ResponseYou've already chosen the best response.1@iGreen b/(2a) is your h

iGreen
 one year ago
Best ResponseYou've already chosen the best response.0\(\sf \color{red}ax^2 + \color{blue}bx + \color{lime} c\) \(\sf \color{red}{1}x^2 + \color{blue}{48}x \color{lime}{ 432}\)

iGreen
 one year ago
Best ResponseYou've already chosen the best response.0Yes, then after we find 'h', we can plug it back into \(\sf x^2 + 48x  432\).

iGreen
 one year ago
Best ResponseYou've already chosen the best response.0Yep, just plug in the values into \(\sf \dfrac{b}{2a}\) first.

triciaal
 one year ago
Best ResponseYou've already chosen the best response.1@DarkMoonZ do you have any questions about my response?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0No I have none thanks guys

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Triciall give Igreen a medal for me XD

iGreen
 one year ago
Best ResponseYou've already chosen the best response.0There's no need. If you want, you can tag us back to check your work.

triciaal
 one year ago
Best ResponseYou've already chosen the best response.1dw:1438360807312:dw
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