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Yakvenalex [24]
2 years ago
5

30 FREE pts Which equation could have been used to create this function table? A. y = 5x B. y = x + 1 C. y = x + 2 D. y = 2x 

Mathematics
2 answers:
LenaWriter [7]2 years ago
8 0
We want to find the slope of this function first to help us get our answer.

The slope of a function can be found with the following formula:

\frac{y_2 - y_1}{x_2 - x_1}

Take any two points from the table to plug into the equation. We'll use (1,2) and (4,8):

\frac{8 - 2}{4-1} = \frac{6}{3} = 2

The slope of our function will be 2.

All of the answers are in slope-intercept form. Slope-intercept form uses the following formula:

y = mx + b

m is the slope, and b is the y-intercept of the equation.

We know that our slope is 2. The only answer with a slope of 2 is y = 2x.

The answer is <span>D. y = 2x.  </span>
Crank2 years ago
7 0
The answer is choice D.

y = 2x

I will show two reasons why this equation is correct.

Let x = 1

y = 2(1)

y = 2

The first point in the table is (1,2).

In the table, x = 3 is the second choice.

y = 2(3)

y = 6

The second point in the table is (3,6).

Answer: y = 2x
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If f(x) = -3x - 5 and g(x)= 4x - 2, find (f-g) (x).
Eddi Din [679]

Answer:

-7x-3

Step-by-step explanation:

(f-g)(x) just means f(x)-g(x).

So

-3x-5-(4x-2)\\-3x-5-4x+2\\-7x-3

4 0
3 years ago
Explain why each function is continuous or discontinuous. (a) The temperature at a specific location as a function of time (b) T
Mekhanik [1.2K]

Answer:

(a) The temperature at a specific location as a function of time.

This is a continuous function as the temperature cannot increase in an instant like time.

(b) The temperature at a specific time as a function of the distance due west from New York City.

This is a continuous function as the temperature in one location is affected by its neighboring places.

(c) The altitude above sea level as a function of the distance due west from New York City.

The altitude above sea level can be discontinuous at a cliff, or continuous at very deep hole.

(d) The cost of a taxi ride as a function of the distance traveled.

This is a discontinuous function as the cost still raises if you make a stop.

(e) The current in the circuit for the lights in a room as a function of time.

This is a discontinuous function as the function takes the value of 0 when the switch is off and 1 when the switch is on.

The electron traveling speed makes this discontinuous.

3 0
3 years ago
write a sequence of transformation that maps quadrilateral ABCD onto quadrilateral ABCD in the picture below please help
djverab [1.8K]
It would be a translation and a dilation. I'm sorry if I'm wrong and i can't explain how i know
4 0
3 years ago
Write a real world problem you could answer by solving the equation -8+60=28
aksik [14]

<em>"Mitchael owes $8 to his bank, so he decides to add $60 in April at a rate of $2 per day. How many days Mitchael needs in order to get $28 in his account?"</em>

<h2>Explanation:</h2><h2 />

Hello! Remember you have to write clear questions in order to get good and exact answers. The given equation doesn't make any sense so I'll assume the correct one is:

-8+60x=28

So let's write a real world problem you could answer by solving the equation:

<em>"Mitchael owes $8 to his bank, so he decides to add $60 in April at a rate of $2 per day. How many days Mitchael needs in order to get $28 in his account?"</em>

So by isolating x (number of months):

x=\frac{28+8}{60} \\ \\ x=0.6 \ month \\ \\ \\ Since \ we \ need \ the \ number \ of \ days: \\ \\ April \ has \ 30 \ days, \ so: \\ \\ x-day=0.6\times 30=18 \ days

So Mitchael would need 18 days in order to get $28 in his account

<h2>Learn more:</h2>

Method for solving system of linear equations: brainly.com/question/10185505

#LearnWithBrainly

6 0
3 years ago
Three letters are selected from the word DISPLAY how many different combination are there
Anuta_ua [19.1K]

Answer:

pay,  say, dip, day,  pal,  spa, pas.

Step-by-step explanation:

3 0
2 years ago
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