3 years ago

Write an equation of a quadratic function that has x-intercepts -1 and 4 and a y-intercept of 3.

Mathematics

1 answer:

igomit [66]3 years ago

5 0

Y=(x+1)(x-4)

this should be correct.

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lisov135 [29]

Answer:

The price is x = $2.779

Step-by-step explanation:

From the question we are told that

The revenue is $y = - 20x^2 - 50 x + 200$

The cost of production is $y = 30 x - 10$

Generally at break even point the cost of production is equal to the revenue

$-20x^2 -50x + 200 = 30x-10$

=> $20x^2 +20 -210 = 0$

Using the quadratic formula to solve this equation we have that

x = $2.779

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liraira [26]

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