3 years ago

10 POINTS! Find x and y.

Mathematics

1 answer:

ki77a [65]3 years ago

6 0

Step-by-step explanation has been given below.....pls check the attachment.

PLS MARK AS BRAINLIEST!!!

HAPPY ANSWERING!!

HOPE IT HELPS YOU!!

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Which equation is graphed?

anygoal [31]

Answer: I think it is b

Explanation:

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3 years ago

PLEASE HELP FIRST GETS BRAINLIEST

asambeis [7]

I believe that this would be representative.

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Graph the system of equations. somebody please help

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3 years ago

For the graphed function f(x) = (4)x − 1 + 2, calculate the average rate of change from x = 1 to x = 2.

lorasvet [3.4K]

Average rate of the function: 3

Step-by-step explanation:

The function in this problem is

$f(x)=4^{x-1}+2$

The average rate of change of a function over an interval $(x_1,x_2)$ is given by

$r=\frac{f(x_2)-f(x_1)}{x_2-x_1}$

where

$f(x_1),f(x_2)$ are the values of the function calculated in $x_1,x_2$ respectively

For the function in this problem we have:

$x_1=1$ , so

$f(x_1)=f(1)=4^{1-1}+2=4^0+2=1+2=3$

$x_2=2$ , so

$f(x_2)=f(2)=4^{2-1}+2=4^1+2=4+2=6$

So, the average rate of change is

$r=\frac{6-3}{2-1}=\frac{3}{1}=3$

Learn more about rate of change:

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brainly.com/question/12941985

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4 0

3 years ago

One high speed Internet provider has a $39 setup fee and charges $40 per month. Another

zvonat [6]

Answer:

2.1 months

Step-by-step explanation:

Let x represent the number of months

Set up expressions to represent the cost of each Internet provider

40x + 39 will represent the first one

30x + 60 will represent the other

Set these equal to each other and solve for x:

40x + 39 = 30x + 60

10x + 39 = 60

10x = 21

x = 2.1

So, the cost will be the same in 2.1 months

8 0

3 years ago