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Readme [11.4K]
2 years ago
12

Which function describes this graph f(x)=4x+2 ??? Anybody please help ?

Mathematics
2 answers:
Korolek [52]2 years ago
8 0

Answer:

Step-by-step explanation:

f(x)=4x+2 is the equation of a straight line with slope 4 and y-intercept 2.

anygoal [31]2 years ago
5 0

Answer:

a line

Step-by-step explanation:

The graph would be a line since it is a linear equation. The line would have a y intercept at (0,2) and would have a slope of 4. I would look like a very steep mountain that gets higher as you move right.

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2 years ago
an airplane travels 600 miles against the wind in 5 hours, and makes the return trip with the same wind in 2 hours. find the rat
vesna_86 [32]

Answer:

The speed of wind is 75 miles / hour

Step-by-step explanation:

Let's assume

speed of airplane is x miles /hour

speed of wind is y miles /hour

An airplane travels 600 miles against the wind in 4 hours

against wind means resultant speed will be less

so, speed =x-y

total distance traveled in 4 hour is

and this has to be equal to 600

Divide both sides by 4

makes the return trip with then same wind in 2 hours

with wind means resultant speed will be more

so, speed =x+y

total distance traveled in 2 hour is

and this has to be equal to 600

Divide both sides by 2

So, we get system of equations

now, we can solve it by adding both equations

now, we can solve for x

now, we can  find y by plugging x into any one equation

4 0
1 year ago
Describe several real world situations can be modeled by equations of the form Y equals MX plus be or Y equals MX explain how th
lara [203]

The linear equation represents y = mx + b describes several real world situations such as

  • Relation between printer and ink cartridges,
  • Relationship between number of songs and how much is left on the card.

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

Linear equations  y = mx + b.  

m is your rate of change.

b is your constant. This is the initial value of y. The value of y when x is 0.

Finally, y is the thing that depends on x.

Oh right, examples:  

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total cost = 25(cartridges I buy) + 100 or y = 25x + 100

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amount left on card = -$1(songs bought) + 100 or y = -x +100

5 0
2 years ago
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