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Romashka [77]
3 years ago
8

Help please I need it DONT scam Which coordinate grid shows points and plotted at (4.3)

Mathematics
2 answers:
mixer [17]3 years ago
7 0

Answer:

B

Step-by-step explanation:

(x-coordinate, y-coordinate) and the horizontal axis refers to the x-axis and the vertical axis refers to the y-axis.

LuckyWell [14K]3 years ago
7 0
B shows the ordered pair (4,3)
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Suppose that the functions r and a are defined for all real numbers x as follows. r(x)=2x-1 S(x)=5x write the expressions for (r
NeTakaya

\boxed{(r-s)(x)=-3x-1} \\ \\ \boxed{(r\cdot s)(x)=10x^2-5x} \\ \\ \boxed{(r+s)(-2)=-15}

<h2>Explanation:</h2>

In this exercise, we have the following functions:

r(x)=2x-1 \\ \\ s(x)=5x

And they are defined for all real numbers x. So we have to write the following expressions:

First expression:

(r-s)(x)

That is, we subtract s(x) from r(x):

(r-s)(x)=2x-1-5x \\ \\ Combine \ like \ terms: \\ \\ (r-s)(x)=(2x-5x)-1 \\ \\ \boxed{(r-s)(x)=-3x-1}

Second expression:

(r\cdot s)(x)

That is, we get the product of s(x) and r(x):

(r\cdot s)(x)=(2x-1)(5x) \\ \\ By \ distributive \ property: \\ \\ (r\cdot s)(x)=(2x)(5x)-(1)(5x) \\ \\ \boxed{(r\cdot s)(x)=10x^2-5x}

Third expression:

Here we need to evaluate:

(r+s)(-2)

First of all, we find the sum of functions r(x) and s(x):

(r+s)(x)=2x-1+5x \\ \\ Combine \ like \ terms: \\ \\ (r+s)(x)=(2x+5x)-1 \\ \\ (r+s)(x)=7x-1

Finally, substituting x = -2:

(r+s)(-2)=7(-2)-1 \\ \\ (r+s)(-2)=-14-1 \\ \\ \boxed{(r+s)(-2)=-15}

<h2>Learn more: </h2>

Parabola: brainly.com/question/12178203

#LearnWithBrainly

5 0
3 years ago
Ronin draws a square with a measure of (x+2) inches on each side. The perimeter of his square is 96 inches. The equation below r
zzz [600]

4(x + 2) = 96

Divide both sides by 4.

x+2=\frac{96}{4}

= 24

x + 2 = 24

Subtract 2 from both sides.

(x+2) - 2 = 24 - 2

x = 22

Hence, the value of x is 22.

4 0
4 years ago
Read 2 more answers
Jeremy is comparing the weights of two elephants at the zoo. The first elephant weighs 2 tons. The second elephant weighs 3,495
olga55 [171]

Answer:  its the second one

Step-by-step explanation:

5 0
3 years ago
Sofia throws a rock straight up. The table shows the height of the rock in meters, y, at x seconds.
Mekhanik [1.2K]

Answer:

  C.  quadratic

Step-by-step explanation:

You can rightly guess that ballistic motion is described by a <em>quadratic</em> function.

Differences of the y-values are 5.75, 3.25, 0.75, -1.75, -4.25.

First differences are not constant, but form a linear sequence that decreases by 2.5 between each pair. Since second differences are constant, the function is described by a 2nd-degree polynomial function, a <em>quadratic</em>.

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<em>Comment on other function types</em>

Linear functions have constant first differences. Exponential functions have exponentially increasing first differences. Logarithmic functions have first differences that increase by smaller and smaller amounts.

7 0
4 years ago
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Which of the following sets represents the range of the diagram below
dmitriy555 [2]

Answer:

C. {2, 4, 5}

Step-by-step explanation:

We are given a function mapping.

The first diagram represents the domain and the second one represents the range.

The set of all range = {2, 4, 5}

Answer: C. {2, 4, 5}

Hope you will understand the concept.

Thank you.

3 0
3 years ago
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