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Aleks04 [339]
3 years ago
13

Help please! Picture included about functions. Explain if you can.

Mathematics
1 answer:
slega [8]3 years ago
3 0
The definition of a function is a relation where every input (x value) is paired with exactly one output (y-value). 

A. Not a function, because you have (300, 9) and (300,7). The x-value 300 is paired with two different y-values, 9 and 7. 

B. Not a function. (260, 4) and (260, 2)

C. Is a function

D. Not a function. (225, 4) and (225, 2)
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ArbitrLikvidat [17]

Answer:

The graph below models the value of a $20,000 car t years after it was purchased.

                    Value of Car

A graph titled Value of Car has years  bbhvb ngc,jon the x-axis and Dollars on the y-axis. A line curves down and goes through points (0, 20,000), (4, 10,000), and (14, 2,000).

Which statement best describes why the value of the car is a function of the number of years since it was purchased?

Each car value, y, is associated with exactly one time, t.

Each time, t, is associated with exactly one car value, y.

The rate at which the car decreases in value is not constant.

There is no time, t, at which the value of the car is 0.

Step-by-step explanation:

5 0
4 years ago
Triangle CDE with vertices C(1, -1), D(2, 3), and E(3,-2) is reflected in line x= 4.
dlinn [17]

Answer:

(6,3)

Step-by-step explanation:

Two is two away from four and since it is on the left side, you add to get six as your x coordinate. The y coordinate stays the same.

3 0
3 years ago
What is the slope of a line perpendicular to the line whose equation is 10x + 6у –84. Fully simplify your answer.​
mixer [17]

Answer:

The slope is 3/5.

Step-by-step explanation:

I am assuming you mean

10x + 6y = 84

6y = -10x + 84

y = -5/3 x + 14.

So the slope of this line is -5/3 and the slope of a line perpendicular to it is

-1 / -5/3 = 3/5.

5 0
3 years ago
Determine which regions contain cube roots of 8i. Check all that apply.
fenix001 [56]

Answer:

2,3,4

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
John swam 40 minutes what fraction of one hour is this
Volgvan
2/3 because 60 is in a hour and if you take away the zeros in 60 and 40 you get 4/6 and then you can simplify to 2/3
6 0
3 years ago
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