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Maslowich
3 years ago
5

The graph of f(x) = 2x + 1 is shown below. Explain how to find the average rate of change between x = 2 and x = 5. (10 points) G

raph of 2 to the power of x plus 1
Mathematics
1 answer:
levacccp [35]3 years ago
4 0
First we need to find f(2) and f(5), which are 5 and 11 respectively; all you have to do is plug in 2 and 5.

Then, we use the following formula:

(f(b)-f(a))/(b-a),

where b and a are the largest and smallest x values respectively.

Finally, we plug our values in:

(11-5)/(5-2)=6/3=2

In fact, the average rate of change of any linear function is just the coefficient of the x term. Hope this helped!
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Write that down the equation for the lines that is the graphs are depicted below
erastovalidia [21]
  • A(1,2)

Find slope of line (m)

\\ \sf\longmapsto m=\dfrac{2-0}{1-0}

\\ \sf\longmapsto m=2

Putting in y=mx+b

\\ \sf\longmapsto y=mx+b

\\ \sf\longmapsto 2=2(1)+b

\\ \sf\longmapsto 2=2+b

\\ \sf\longmapsto b=2-2=0

Equation of the line

\\ \sf\longmapsto y=2x

4 0
2 years ago
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The total cost to rent 5 chairs and 3 tables is $27. The total cost to rent 2 chairs and 12 tables is $81. What is the cost to r
kati45 [8]

The cost to rent each chair is $1.5 and cost to rent each table is $6.5

<h3>Applications of systems of linear equations </h3>

From the question, we are to determine the cost to rent each chair and each table

Let c represent chair

and

t represent table

From the given information,

The total cost to rent 5 chairs and 3 tables is $27

That is,

5c + 3t = 27 ------------ (1)

Also,

The total cost to rent 2 chairs and 12 tables is $81

That is,

2c + 12t = 81 ---------- (2)

Now, solve the equations simultaneously

5c + 3t = 27 ------------ (1)

2c + 12t = 81 ---------- (2)

Multiply equation (1) by 2 and multiply equation (2) by 5

2 × [5c + 3t = 27 ]

5 × [2c + 12t = 81 ]

10c + 6t = 54        ------------- (3)

10c + 60t = 405   ------------- (4)

Subtract equation (4) from equation (3)

10c + 6t = 54        

10c + 60t = 405

---------------------------

-54t = -351

t = -351/-54

t = 6.5

Substitute the value of t into equation (2)
2c + 12t = 81

2c + 12(6.5) = 81

2c + 78 = 81

2c = 81 - 78

2c = 3

c = 3/2

c = 1.5

∴ The cost of chair is $1.5 and cost of table is $6.5

Hence, the cost to rent each chair is $1.5 and cost to rent each table is $6.5

Learn more on Solving system of linear equations here: brainly.com/question/13729904

#SPJ1

8 0
1 year ago
What is 80% as a fraction in reduced form ?
dangina [55]
4/5 because 8/10 is equal to 4/5 which is the simplest form<span />
4 0
3 years ago
Read 2 more answers
I could use some help please! please
Mnenie [13.5K]

Answer:

The integers could be 21 and 22

or -22 and -21

Step-by-step explanation:

If two integers are consecutive, then it means that their difference is just 1

if we have the initial value as x , then the other value could be x-1 or x + 1

let us go with x-1

So the product here is;

x(x-1) = 462

x^2-x = 462

x^2 -x -462 = 0

x^2 -22x + 21x - 462 = 0

x(x-22) + 21(x-22) = 0

(x + 21)(x-22) = 0

x = -21 or x = 22

If x = -21

x -1 = -21-1 = -22

if x = 22

x -1 = 22-1 = 21

5 0
3 years ago
Is 32,47,57 a Pythagorean triple?
makkiz [27]

Answer:

No

Step-by-step explanation:

The closest to that is

32.    47.      56.86

56.86 is not 57, so it is not a pythagorean triple

plz mark me brainliest

6 0
2 years ago
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