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Nostrana [21]
3 years ago
10

Heeelpppp..

Mathematics
2 answers:
adell [148]3 years ago
7 0
The appropriate choice is ...
  C. The slope of the first equation is not graphed the right way.

A correct graph is shown below.

SpyIntel [72]3 years ago
3 0
<h2>Answer:</h2>

The correct statement is: Option: C

C. The slope of the first equation is not graphed the right way.

<h2>Step-by-step explanation:</h2>

The piecewise function is given by:

f(x)=   3x+1   if  x<2

and      4     if  2≤x<5

  • This means that the graph of a function in the interval (-∞,2) is a line with a positive slope i.e. 3 and hence is a increasing line.

Also, there is a open circle at (2,7)

( since the inequality is strict i.e. x<2)

  • Also, there is a horizontal line i.e. y=4 in the interval [2,5)

       i.e. there is a open circle at (5,4).

But the graph which is plotted for x<2

The slope of a line is: 1/3 and not 3

( Slope is defined as the ratio of change in y to the change in x)

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Points P, Q, and R are shown on the number line. What is the distance between point P and point Q? P(-76) Q(-24) R(0) A) 52 unit
Amiraneli [1.4K]

Answer:

A) 52 units

Step-by-step explanation:

The length of a line joining 2 points on a number line is given by the difference between the co-ordinates of the 2 points.

Therefore PQ= \left ( Q \right )-\left ( P \right )= \left ( -24 \right )-\left ( -76 \right )= 52

Hence the length of the line is 52 units

4 0
3 years ago
A line passes through the points (2,-4) and (6,10). What is the equation of the line?
deff fn [24]

Answer:

y = \frac{7}{2} x - 11

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (2, - 4) and (x₂, y₂ ) = (6, 10)

m = \frac{10+4}{6-2} = \frac{14}{4} = \frac{7}{2} , thus

y = \frac{7}{2} x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation

Using (2, - 4) , then

- 4 = 7 + c ⇒ c = - 4 - 7 = - 11

y = \frac{7}{2} x - 11 ← equation of line

7 0
3 years ago
A chestnut falls from a tree 45 feet above ground.Use the vertical motion model to find how long it takes to hit the ground.Roun
miv72 [106K]
Ok so please check if im wrong its 25
3 0
3 years ago
Convert the following to scientific notation: 0.000665.
BaLLatris [955]
- - Step 1: Move the decimal point to the right, until you get greater then 1 and less than 10. In this case we moved it till we got 6.65.
- - Step 2: Count how many times you moved the decimal over: In this case, we moved it 4 times.
- - Step 3: All you have to do now is chose which one has 6.65 over -4.
 (We are saying negative because when you move it to the right, it becomes negative.)
Final answer: A
8 0
3 years ago
Read 2 more answers
Not Math, I know, but I'd like your opinion.
Gwar [14]

Answer:

I think that gives remind  us of how pictures lokked back then and because that is what they used back then and it tells me is old

Step-by-step explanation:

7 0
3 years ago
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