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3 years ago

Which is the graph of f(x) = StartRoot x EndRoot?

Mathematics

1 answer:

arsen [322]3 years ago

4 0

Answer:

Step-by-step explanation:

On a coordinate plane, an exponential function increases in

quadrant 3 into quadrant 4 and approaches y = 0. It goes through

(negative 1, negative 2) and crosses the y-axis at (0, negative 0.25) ⇒ last answer

HOPE IT HELPS ....

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Y=-2x - 2<br> y=7x - 20<br> Solve each by substitution

valina [46]

Answer:

(2, -6)

Step-by-step explanation:

Because each equation is equal to y, you can plug the y equal to each other. Because one y is equal to -2x-2 and the other is 7x-20, you can set them equal to each other. So you should have

-2x - 2 = 7x - 20

The next step is to solve for x, which mean that x is 2, then plug 2 into one of the original equations ( it doesn't matter which one) and solve for y, and when you do that, you will get -6

6 0

3 years ago

Helen borrowed money from her aunt to pay for college expenses. The graph below shows the amount left

enot [183]

Answer:

$y = -100x + 13000$

Step-by-step explanation:

See attachment for graph

First, we need to take any corresponding values of x and y

$(x_1,y_1) = (0,13000)$

$(x_2,y_2) = (130,0)$

Next, we calculate the slope (m)

$m = \frac{y_2 - y_1}{x_2 - x_1}$

$m = \frac{0 - 13000}{130 - 0}$

$m = \frac{- 13000}{130}$

$m = -100$

Next, we calculate the line equation using:

$y - y_1=m(x-x_1)$

$y - 13000 = -100(x - 0)$

$y - 13000 = -100x$

Make y the subject

$y = -100x + 13000$

Hence, the line equation is:

$y = -100x + 13000$

4 0

3 years ago

I need help resolving this please

yuradex [85]

27x^6 = 387420489

You want something similar but cubed.

$\sqrt[3]{387420489}$ = 729

YOUR ANSWER: 729x^3 = 387420489

Step-by-step explanation:

4 0

2 years ago

24 Points, ez quick math problem. Multiple choice.

Lana71 [14]

Answer:

Rectangle

Perimeter: 30 units

Step-by-step explanation:

The easiest way is by sketching the graph, as shown in the picture.

Alternatively, you can use Pythagoras Theorem to find length of each side. However in this case, since there are only horizontal and vertical lines, the length of each side is calculated as

6-(-4) = 10

11-6 = 5

Perimeter= 10+10+5+5 = 30 units

5 0

2 years ago

Write the equation of the line. Give your answer in Standard Form

Readme [11.4K]

Answer:

5x -2y = -10

Step-by-step explanation:

Slope-intercept form of the equation for a line is ...

y = mx + b . . . . where m is the slope and b is the y-intercept.

Using the given numbers, the equation is ...

y = 5/2x + 5

Multiplying by 2 gives ...

2y = 5x + 10

Subtracting 2y+10 puts the equation into standard form, with positive leading coefficient and mutually prime coefficients.

5x - 2y = -10

4 0

3 years ago