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zzz [600]
3 years ago
15

Graph y=2x+1 on a number line Will give brainliest if right.

Mathematics
1 answer:
sdas [7]3 years ago
8 0
This is the awnser too this one

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Suppose that the functions u and w are defined as follows.
jasenka [17]

Answer(there are assumptions for this answer that you need to confirm and look at):

Assumptions: u(x)=x^2+3 and w(x)=\sqrt{x+2}

Answer if the operation is multiplication:

If you meant a closed dot which is the symbol for multiplication.

(u \cdot w)(2)=14

(w \cdot u)(2)=14

Answer if the operation is composition:

If you meant an open dot which is the symbol for composition.

(u \circ w)(2)=7

(w \circ u)(2)=3

Note: I don't know if you actually meant w(x)=\sqrt{x+2} or if w(x)=\sqrt{x}+2. Please let me know one way or the other.

Step-by-step explanation:

If we assume the functions are:

u(x)=x^2+3

w(x)=\sqrt{x+2}

u \cdot w=w \cdot u since multiplication is commutative.

u(2)=2^2+3

u(2)=4+3

u(2)=7

w(2)=\sqrt{2+2}

w(2)=\sqrt{4}

w(2)=2

We are asked to find (u \cdot w)(2) and (w \cdot u)(2).

The order doesn't matter in multiplication.

(u \cdot w)(2)

u(2) \cdot w(2)

7 \cdot 2

14

(w \cdot u)(2)

w(2) \cdot u(2)

2 \cdot 7

14

Now you might have meant composition which symbolized with an open circle, not a closed one.

(u \circ w)(2)

u(w(2))

u(2) since w(2)=2

2^2+3

4+3

7

(w \circ u)(2)

w(u(2))

w(7) since u(2)=7

\sqrt{7+2}

\sqrt{9}

3

6 0
3 years ago
Please help pleaseee
OlgaM077 [116]

Answer:

22.86 centimeters (9 inches into cm is 22.86 cm)

5 0
2 years ago
What are the steps to graphing a linear equation?
chubhunter [2.5K]

Locate the y-intercept on the graph and plot the point.

From this point, use the slope to find a second point and plot it.

Draw the line that connects the two points.

6 0
2 years ago
Read 2 more answers
Which of these equations have no solution? Check all that apply.
dlinn [17]
First one simplifies to 2x + 6 = 2x + 7  which can't be true   so this one has No Solution.
Same applies to the second equation  ( 5x + 15 = 5x - 15) No solution

also the last one has no solution because it simplifies to  4x + 20 = 4x + 19
6 0
3 years ago
What is the averge of 70 and 93?
pychu [463]
Add 70+93, then divide by the number of numbers, which is 2.
70+90=163
163/2=81.5
Hope this helps!
3 0
3 years ago
Read 2 more answers
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