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Vikki [24]
2 years ago
13

A. Their rates of change differ by 2. B. Their rates of change differ by 4. C. Function M has a greater rate of change than Func

tion P. D. Function M and Function P have the same rate of change.
Mathematics
1 answer:
Vika [28.1K]2 years ago
4 0

Answer:

(a) Their rates of change differ by 2

Step-by-step explanation:

Given

See attachment for functions M and P

Required

Determine what is true about the rates of M and P

First, we calculate the slope (i.e. rate) of both functions.

Slope is calculated as:

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

From the table of M, we have:

(x_1,y_1) = (-2,-9)

(x_2,y_2) = (2,11)

So, the slope is:

m_M = \frac{11 --9}{2--2}

m_M = \frac{20}{4}

m_M = 5

For function P, we have:

y = 7x + 9

A function is represented as:

y = mx + b

Where:

m = slope

So, by comparison:

m_P = 7

At this point, we have:

m_M = 5 --- Slope of M

m_P = 7 --- Slope of P

<em>Only option (a) is true because both slopes differ by 2. i.e. 7 - 5 = 2</em>

<em>Other options are not true</em>

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Lana71 [14]
B should be correct
Hope that helped
4 0
2 years ago
Simplify the following expression: (5x2 + 3x + 4) − (2x2 + 5x − 1). If the final answer is written in the form Ax2 + Bx + C, wha
algol13

Answer:

A = 3

Step-by-step explanation:

Given

(5x² + 3x + 4) - (2x² + 5x - 1)

Remove the parenthesis from the first and distribute the second by - 1

= 5x² + 3x + 4 - 2x² - 5x + 1 ← collect like terms

= 3x² - 2x + 5

In the form Ax² + Bx + C

with A = 3

7 0
3 years ago
Read 2 more answers
a pile of sand has a weight of 90kg The sand is put into a small bag, a medium bag and a large bag in the ratio of 2 : 3 : 7 Wor
just olya [345]
Hi there!

To split 90 kilos in the ratio of 2 : 3 : 7 we must first realise that we have a total of 2 + 3 + 7 = 12 parts, in which we must split the total 90 kilos.

12 parts equal 90 kilo, and therefore
1 part equals 90 / 12 = 7.5 kilos.

1 part equals 90 / 12 = 7.5 kilos, and therefore
2 parts equal 7.5 × 2 = 15 kilos.

1 part equals 90 / 12 = 7.5 kilos, and therefore
3 parts equal 7.5 × 3 = 22.5 kilos.

1 part equals 90 / 12 = 7.5 kilos, and therefore
7 parts equal 7.5 × 7 = 52.5 kilos.

Hence, 90 kilos in the ratio of 2 : 3 : 7
gives 15 kg, 22.5 kg and 52.5 kg.

~ Hope this helps you!
3 0
3 years ago
Help I need help please
s344n2d4d5 [400]

a) Negative correlation

Negative correlation corresponds to points that move down as you go from left to right on the scatter plot.

b) Positive correlation

Positive correlation corresponds to points that move up as you go from left to right on the scatter plot.

c) No correlation

Scattered points on the scatter plot make no relationship.

4 0
3 years ago
Pls, help! I don't understand this!
aliya0001 [1]
2. the scale factor is x= 4.5 cm
this is because when u see how much it dilated from 4cm to 2cm it divided from 2, so if u did the same for the other number. Which is 9, it’s 9/2 which equals 4.5
4 0
2 years ago
Read 2 more answers
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