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Westkost [7]
3 years ago
12

What are the domain and range of the function f(x)=2x+1

Mathematics
1 answer:
Soloha48 [4]3 years ago
7 0

Answer:f

(

x

)

−

2

x

=

−

1

I think that’s how you do it.

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Solve each equation for y (get into slope-intercept/y=mx + b form):
Gwar [14]

Answer:

Step-by-step explanation:

In order to do this we need to isolate y by performing the inverse operations on the other values like so...

a)   10x + 5y = 20   ... subtract 10x on both sides

     5y = 20 - 10x    ... divide both sides by 5

       y = 4 - 2x   ... we can move the 2x to the right to make it into y = mx + b

       y = -2x + 4

b)   3x - 2y = 10 + 4x   ... subtract 3x on both sides

      -2y = 10 + x    ... divide both sides by -2

       y = -5 - 0.5x ... move -0.5 to the left so it matches y = mx + b

      y = -0.5x - 5

3 0
3 years ago
A, B & C form the vertices of a triangle.
kirza4 [7]
<h3>Answer:  20.3</h3>

Work Shown:

tan(angle) = opposite/adjacent

tan(B) = AC/AB

tan(67) = x/8.6

8.6*tan(67) = x

x = 8.6*tan(67)

x = 20.2603303460843  ... make sure your calculator is in degree mode

x = 20.3  .... rounding to 3 significant figures

see diagram below

6 0
3 years ago
5 days = ? hours <br> Can you please show work so i can understand better?
son4ous [18]
24 Hours in one Day

5 Days

24 <span>× 5 = 120 Hours


Hope that helps! </span>
8 0
2 years ago
Read 2 more answers
Find the slope/rate of change of the line on the graph.
ohaa [14]

Answer:

y=-1

From where the line crosses the y axis, it goes up 1 and over 1 from each plane although its moving to the left from 0 every time. This means the slope is negative.

In the equation y=mx+b, b is the y intercept and m is the slope

plugin the info and you get y=-1x+0 or

y=-1x

Step-by-step explanation:

5 0
2 years ago
1. A plumber cut a pipe into 6 identical pieces. Each piece measures 17.4 feet long.
iragen [17]

Answer:

104.4 for A.

Step-by-step explanation:

3 0
3 years ago
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