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Pepsi [2]
2 years ago
8

Please help me please help me

Mathematics
1 answer:
OlgaM077 [116]2 years ago
6 0
The answer is the very last option.
Q, Z, W, R, N
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Donald's Earnings, x (dollars) Fallons Earnings, y 38 45 43 50 48 55 53 60 58 65 Which equation best represents Fallon's earning
kherson [118]

Given:

The table of values for Fallon's earnings in terms of Donald's earnings.

To find:

The equation that best represents Fallon's earnings in terms of Donald's earnings.

Solution:

In the given table the x-values are increasing by 5 units and  y values increasing by 5 units. It means the rate of change of y with respect to x is constant and the table represents a linear function.

If the graph of a linear function passes through two points, then the equation of linear function is

y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)

Consider any two points from the table. Let the two points are (38,45) and (43, 50). Then, the equation is

y-45=\dfrac{50-45}{43-38}(x-38)

y-45=\dfrac{5}{5}(x-38)

y-45=1(x-38)

y-45=x-38

Adding 45 on both sides, we get

y=x-38+45

y=x+7

Therefore, the correct option is A.

8 0
2 years ago
BERE
inna [77]

Answer:

  • 2

Step-by-step explanation:

<u>The slope is the ratio of difference of y- coordinates by the difference of x- coordinates:</u>

  • m = 6/3 = 2

3 0
2 years ago
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Which statement describes the effect on the parabola y = x2 - 1 when it is changed to y = x2 +6?
zlopas [31]

Initial:

y=x^2-1

Changed to:

y=x^2+6

As you can see the change is: from -1 to +6.

In a equation as follow:

y=x^2+k

The k is a transformation that moves up or down the graph of the function. If k is changed to a less value the graph moves down, If k is changed to a greather number the graph moves up.

In this case the graph moves up

To find the number of units the graph moves find the difference betwwen values of k:

6-(-1)=7

Then, the parabola y=x²-1 is moved 7 units up when it is changed to y=x²+6

4 0
1 year ago
There is a six sided polygon in which the first side is a line, the second side is a line segment, the third side is an arrow wh
Phantasy [73]
I need points Thanks
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3 years ago
I need help with this pls ASAP
Andrei [34K]
K is the right answer for the problem!
6 0
3 years ago
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