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Kobotan [32]
4 years ago
12

By visual inspection, determine the best-fitting regression model for the data plot below.

Mathematics
1 answer:
Firlakuza [10]4 years ago
8 0

Answer:

A. linear

Step-by-step explanation:

A linear model is the best-fitting regression  model for the data plot because for similar variations in x values, the variation in y values are also similar, that is, if you take points (x1, y1), (x2, y2) and (x3, y3) the y1 - y2 is similar to y2 - y3, when x2 - x1 is also similar to x3 - x2.

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Find the average rate of change of f(x) = 4x² – 3 from 3 to 9.
Lina20 [59]

Answer:

44

Step-by-step explanation:

Given:

f(x) = 4x^2 - 3

Required:

Average range of change from 3 to 9

SOLUTION:

Step 1:

Find f(3) and f(9):

To find f(3), replace x with 3 in the given function

f(3) = 4(3)^2 - 3

f(3) = 4(9) - 3

f(3) = 36 - 3

f(3) = 33

To find f(9), replace x with 9 in the given function

f(9) = 4(9)^2 - 3

f(9) = 4(81) - 3

f(9) = 324 - 3

f(9) = 321

Average rate of change = \frac{f(b) - f(a)}{b - a}

Where,

a = 3, f(a) = 33

b = 9, f(b) = 321

Plug in the values into the formula for average rate of change.

= \frac{321 - 33}{9 - 3}

= \frac{288}{6}

= 44

Average rate of change = 44

3 0
3 years ago
In this equation, identify the following:
sladkih [1.3K]

Answer:

-3 constant , x variable +7 constant

6 0
3 years ago
Read 2 more answers
Show how to multiply 46.93×1.8
Shkiper50 [21]
To start off this is multiplication and not addition nor subtraction where you have to line up your numbers like 46.93 + 1.98 No, instead you put them in any order such as 46.93 x. 1.98 --------------- 37544 421370 + 469300 ------------------ 92.9214 ------> This is your answer! 1)Multiply the 3 in 46.93 to the 8 in 1.98 which is 24. 2) Then you multiply the 9 in 46.93 to the 8 in 1.98 which gives you 72 and don't forget to add the 2 from 24. You get 74. 4)You then multiply the 6 in 46.93 to the 8 in 1.98 and you get 48, add the 7 from 74, and you get 55. 5) You multiply the 4 in 46.93 to the 8 in 1.98 and you get 32, plus the 5 from 55 and you get 37. Your first answer should be 37544. 6) After you get this answer, you add a zero underneath the 4 in the one's place from your previous answer. 7) This step might be a little hard to remember, but you do the same procedure as you were doing in steps 1-6. This time on the other hand, you multiply each value in 46.93 to the 9 in1.98. 8)After completing those exact steps, your secondary answer should be 421370. 9) Once having this answer, you multiply 46.93 to the 1 in 1.98 and your third answer should be 469300. 10) The next step is to add up all three of your answers together and you get the final answer. You should be getting 929214. 11) The last and final step is to count the spaces of decimals your multiples' have which are 4, and you move 4 spaces to the left and you get 92.9214.
7 0
4 years ago
After one customer buys 4 new tires, a garage recycling bin has 20 tires in it. After another customer buys 4 tires, the bin has
son4ous [18]
Its (24) 4×9=36. so (36 +24 =60) so there is 60 tires in the bin
8 0
3 years ago
Read 2 more answers
18) The degree of P(x) = (x-1)(x+2)(x+3)(2x-5) is<br><br>4<br>3<br>2<br>1​
Sunny_sXe [5.5K]
Answer is gonna be 3
5 0
4 years ago
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