How the hell do you find the range of a function by looking at a graph?

Answers

Answer 1

Answer:

Answer:

Another way to identify the domain and range of functions is by using graphs. Because the domain refers to the set of possible input values, the domain of a graph consists of all the input values shown on the x-axis. The range is the set of possible output values, which are shown on the y-axis

Overall, the steps for algebraically finding the range of a function are:

Write down y=f(x) and then solve the equation for x, giving something of the form x=g(y).

Find the domain of g(y), and this will be the range of f(x).

If you can't seem to solve for x, then try graphing the function to find the range.

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Determine the equation of combined variation. Then solve for the missing value.x varies directly with y and inversely with z.
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Answers

The answer might be 15

The value of a book is $150 and decreases at a rate of 4% per year. Find the value of the book after 12 years

Answers

If it decreases at 4% every year, then its value becomes:

100% - 4% = 96% = 96/100 = 0.96

At the end of the 1 year its value becomes: 150*(0.96)

At the end of the 2 years its value becomes: 150*(0.96)*(0.96) = 150*(0.96)²

At the end of the 3 years its value becomes: 150*(0.96)*(0.96)*(0.96) = 150(0.96)³

So similarly at the end of 12 years, its value becomes 150*(0.96)¹²

=50*(0.96)¹² simplify with calculator.

≈ 91.91

Value at the end of 12 years becomes ≈ $91.91

I hope this helps.

Valeriya filled a punch bowl with 0.25 dekaliters of orange juice, 375 centiliters ofcranberry juice, and 1.125 liters of sparkling water. How many more liters of juices
did Valeriya use than sparkling water?

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Answer:

5.125 l

Step-by-step explanation:

Y = –2r +4 complete the missing value in the solution to the equation
(_,-2)

Answers

Answer:

(3, -2)

Step-by-step explanation:

Answer:

Step-by-step explanation:

(x, y) (__,-2)

-2 = -2r + 4

-2-4 = -2r

-6 = -2r

divide -2r on both sides

r=3 ---> x=3

(3,-2)

CAN SOMEONE PLS HELP WITH THIS!!

Answers

Answer:

4/5

Step-by-step explanation:

{(2/5) / (1/2)} ×1

= (2/5)÷(1/2)

= 2/5×2/1

= 4/5

Answer:

4/5

Step-by-step explanation:

Because if it can eat 2/5's in 1/2 hours, then if it eats for 1 whole hour or 2/2's it will be able to eat 4/5's of it's own body weight.

Just imagine that one half hour is 1 and if you add two half hours together it makes one complete hour or 2/2. So just multiply it by 2 cause it was eating for two half hours.

$(2)/(5) * 1=2/5\n(2)/(5) *2=4/5$