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3 years ago

Write an equation of the direct variation that includes the point (9, –12).

Mathematics

2 answers:

Korvikt [17]3 years ago

5 0

Y = (-4/3)x that is the right answer

Lina20 [59]3 years ago

5 0

Answer:

y= -1 1/3x

Step-by-step explanation:

He explained it but didn't evaluate the answer.

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Of the new cars in a car dealer's lot, 1 in 6 are white. Today, 4 cars were sold.

stiks02 [169]

A) 1 out of 4
B) 1 out of 4

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3 years ago

What are the coordinates of the turning point for the function f(x) = (x - 1)3 - 3? A. (-1, -3)

Naddik [55]

ANSWER

The turning point is

$(1,-3).$

EXPLANATION

The function given to us is

$f(x) = (x - 1) ^{3} - 3$

At turning point,
$f '(x) = 0$

So we need to differentiate the given function and equate it to zero.

We using the chain rule of differentiation, we obtain,
$f '(x) =3 (x - 1) ^{2}$

We equate this to zero to obtain,

$3 (x - 1) ^{2} = 0$

We divide through by 3.

$(x - 1) ^{2} = 0$

We solve for x to get,

$x - 1 = 0$

$x = 1$

We substitute this x-value in to the function to obtain the corresponding y-value of the turning point.

$f(1) = (1- 1) ^{3} - 3$

$f(1) = 0 - 3$

$f(1) = - 3$

Therefore the turning point is

$(1,-3)$

C is the correct answer.

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3 years ago

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Tems11 [23]

A. x= 11/5
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c. x= -12/2
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3 years ago

An English class attended a performance at the theater. The class took 25 students and 3 adults. Each student ticket, s, cost $3

Mashcka [7]

Answer:

A or d to narrow it down

Step-by-step explanation:

Hopefully you can figure out which one I am sorry.

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3 years ago

Please answers quick ,whats an inequality?

dangina [55]

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3 years ago

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