2 years ago

What is the vertex of the quadratic function f(x)=(x-6)(x2)

Mathematics

1 answer:

Leona [35]2 years ago

5 0

Answer:(2,-16) is the correct answer..

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The function f(x) = –(x – 20)(x – 100) represents a company’s monthly profit as a function of x, the number of purchase orders r

Sunny_sXe [5.5K]

F ( x ) = - ( x -20 ) ( x - 100 ) =
= - ( x² - 100 x - 20 x + 2000 )=
- x² + 120 x - 2000
The greatest profit is when ; f´( x ) = 0
f ´ ( x ) = - 2 x + 120 = 0
2 x = 120, x = 60
60 purchase orders will generate the greatest profit.

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2 years ago

Solving rational equations<br><br> solve for x: 3/x-4=7/x

KIM [24]

Solving the rational equation $\frac{3}{x-4}=\frac{7}{x}$ the value of x is 7

Step-by-step explanation:

We need to solve rational equation: $\frac{3}{x-4}=\frac{7}{x}$ and find value of x.

Solving:

$\frac{3}{x-4}=\frac{7}{x}$

Cross multiplying:

$3(x)=7(x-4)\\Simplifying:\\3x=7x-28\\3x-7x=-28\\-4x=-28\\x=-28/-4\\x=7$

So, value of x = 7.

Solving the rational equation $\frac{3}{x-4}=\frac{7}{x}$ the value of x is 7

Keywords: Solving the rational equation

Learn more about Solving the rational equation at:

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2 years ago

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Mt. Pleasant elemantry School was collecting canned food. The chart below shows how much food they collected over 3 weeks the ca

n200080 [17]

Just -: by 8 I think

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2 years ago

What is the solution to the equation 1.6m − 4.8 = −1.6m?

nordsb [41]

See attached picture for answre

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2 years ago

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Using the illustration below, calculate the area of the circle.

Keith_Richards [23]

Find thy radius.

Thy radius is 7.25 (D / 2 = R)

Thy formula for area is A = (pi)r^2

Substitute and Solve

A = (pi)r^2
= (pi)(7.25)^2
= (pi)(52.5625)
= 165.04625

Therefore, the area is about 165.

6 0

3 years ago

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