3 years ago

Graph the function f(x)=4x^2

Mathematics

2 answers:

alina1380 [7]3 years ago

6 0

Answer:

Step-by-step explanation:

nata0808 [166]3 years ago

4 0

Answer:

it’s a parabola where:

The vertex is (0 , 0)

the axis is of equation x = 0

the concavity is oriented up

Step-by-step explanation:

Check the attached photo for the graph.

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-7x+4y=24, 4x-4y=0 substitution

BartSMP [9]

The first one: -7(x) + 4(y) = 24
The second one: 4(x) - 4(y) = 0

4y - 7x = 24 which is reduced to a negative
(-4y + 4x = 0 )

4(x) = 4(y)

-7(y ) + 4(y) = 24
- 3(y) = 24

3(y) = - 24

y-intercept: - 8
x-intercept: -8

The X & Y intercept is: -8, -8

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3 years ago

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Vesnalui [34]

It’s easy really. Answer’s down below:

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2 years ago

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guapka [62]

Answer:

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Step-by-step explanation:

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3 years ago

Use a trigonometric ratio to find the value of x. Round your answer to the nearest<br> tenth.

belka [17]

Answer:

x=63.256% 63.3-rounded to the nearest tenth.

Step-by-step explanation:

8 0

3 years ago

The cost, in dollars, of producing x belts is given by Upper C (x )equals 970 plus 12 x minus 0.076 x squared. The revenue, i

umka21 [38]

Answer:

$68.44 for each additional belt

Step-by-step explanation:

The cost and revenue functions are:

$C(x) = 970+12x - 0.076x^2\\R(x) =43x^{\frac{3}{4}}$

The profit function, P(x), is given by subtracting the cost function from the revenue function.

$P(x) = R(x) - C(x)\\P(x)=43x^{\frac{3}{4}}+0.076x^2-12x-970\\$

The derivate of the profit function gives us the rate at which profit changes:

$\frac{dP(x)}{dx} =P'(x)=32.25x^{\frac{-1}{4}}+0.152x-12\\$

For x = 484, the rate of change is:

$P'(484)=32.25*484^{\frac{-1}{4}}+0.152*484-12\\P'(484) = \$68.44/belt$

Profit is increasing by $68.44 for each additional belt

3 0

3 years ago