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yarga [219]
3 years ago
15

Help please please Please pls

Mathematics
1 answer:
Katena32 [7]3 years ago
6 0
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PLEASE HELP WITH PART B!!<br><br> can you also explain y and x, I dont understand part B &gt;
Doss [256]

A. I would suggest including <em>all</em> units in your answer. Both answers are correct but the unit is also important.

average rate of change:

($750 - $350) / (2014 - 2010) = $400 / (4 years) = $100 per year

initial value:

$350

B. Take 2010 to be year 0. Then for year <em>x</em> = 0, the fee is <em>y</em> = $350.

If the fee increases at a rate of $100 per year, this means that when <em>x</em> = 1, <em>y</em> = $350 + $100 = $450. So the graph of the function that models the dog-walking fee is a line that passes through the points (0, 350) and (1, 450), adn the slope of this line is

(450 - 350) / (1 - 0) = 100/1 = 100

which is the same as the average rate of change.

Using the point-slope formula for a line, the equation you want is then

<em>y</em> - 350 = 100 (<em>x</em> - 0)

<em>y</em> - 350 = 100<em>x</em>

<em>y</em> = 100<em>x</em> + 350

8 0
2 years ago
Use synthetic division to solve (x3 + 1) ÷ (x – 1). What is the quotient?
mamaluj [8]
Steps:

Use the divisor and find x :
x - 1 = 0  **add 1
x= 1
Now we will use the 1 in dividing:

take the coefficients from in front of all terms
   ** make sure you include 0's for x^2 and x since you have to have all terms

set it up with a 1 in a box:

1|  1   0   0  1   **bring the first number down
____________
     1                    **multiply the boxed number by the first number and add it                                 to the second number

1|  1   0   0  1   
____+1_____       **repeat with the rest of the terms
     1   1   

1|  1   0    0    1
  ___+1_+1_+1   
     1   1    1    2                              
**when you're done, use the new numbers to write an equation starting with a term with a degree one less than the previous equation.
**since there is a remainder, rewrite it divided by the original divisor

final answer:
x^2 + x + 1 + (2/ x -1)
4 0
2 years ago
Read 2 more answers
What is the answer to 3/7w-11=4/7w
sladkih [1.3K]
For this equation first you should add +11 on both sides and the add -4/7w so you will have: 
3/7w- 4/7w = 11 ⇒ -1/7w = 11 ⇒ w = 11* -7 = -77 so the answer is:
w = -77 :)))
i hope tis is helpful 
have a nice day 
6 0
3 years ago
If f(x) = 22 – 4x – 5, find the following:<br> a. f(-2)<br> b. f (10)<br> .c. f(0)
coldgirl [10]

Answer:

a.25

b.-23

c.17

Step-by-step explanation:

Plug each value in for x and solve

4 0
3 years ago
You would like to help your political party succeed at the local level, so you join the party's efforts by working as a
Simora [160]

Answer:

A helping to register voters in your precinct

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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