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sleet_krkn [62]
3 years ago
5

Which of the following lists of ordered pairs is a function ?

Mathematics
2 answers:
lianna [129]3 years ago
5 0
B. Because it doesn’t repeat in either x or y
Nitella [24]3 years ago
3 0

To be a function, for any X value( input) you can only have one Y(output value).

In A) there are two x values of 2, but each one has a different Y value, so this cannot be a function.

In C, there are two x values of 1, each with a different Y value, so also cannot be a function.

D) has two X values of 0, and each has a different Y value so cannot be a function.

The correct answer would be B.

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I NEED ANSWER TO ALL PARTS ASAP! PLEASE!
Contact [7]
Part A) First, you need to find out how much she makes each hour.40/5 = 8 & 48/6 = 8 ... This shows that she makes $8 an hour 

To find the first missing number, you will do 8 * 8 = 64 ... This shows that she makes $64 in 8 hours.

To find the second missing number, you will do 56/8 = 7 ... This shows that she makes $56 in 7 hours.

Part B) Barb makes $9 every hour. To find the amount of money she earns for 5, 6, and 8 hours of work you will need to multiply $9 by the amount of hours she worked.

9 * 5 = 45 ... This shows that she makes $45 in 5 hours.

9 * 6 = 54 ... This shows that she makes $54 in 6 hours.

9 * 8 = 72 ... This shows that she makes $72 in 8 hours.

Part C) In part B, you found out how much she makes after working at the theme park for 5 hours. ($45 in 5 hours)

Next, you'll need to find out how much she makes after mowing lawns for 5 hours.
5*8 = $40 ... This shows that she makes $40 in 8 hours

Now you need to the difference. 45 - 40 = 5 ... She makes 5 more dollars working at the theme park for 5 hours than mowing lawns for 5 hours.
6 0
3 years ago
//////////no links please////////
LekaFEV [45]
The third one: No, yes, no
5 0
3 years ago
I need help on this please
ziro4ka [17]

Answer:

See answers below

Step-by-step explanation:

From the given functions, the equivalent function for when x = 0 is -(x-1)²

h(x) = -(x-1)²

h(0) = -(0-1)²

h(0)= -(-1)²

h(0) = -1

when x = 2, the equivalent function is -1/2x - 1

h(x) =  -1/2x - 1

h(2) =  -1/2(2) - 1

h(2) = -1-1

h(2) = -2

when x = 5, the equivalent function is -1/2x - 1

h(x) =  -1/2x - 1

h(5) =  -1/2(5) - 1

h(5) = -5/2-1

h(5) = -7/2

3 0
3 years ago
In which quadrant does 1/3 and 2 1/3 lie on?
quester [9]

Answer:

Quadrant 1

Step-by-step explanation:

The co-ordinates given match up exactly to co-ordinate 1 due to all the numbers given being positive.  

There are 4 quadrants. Quadrant 1, 2, 3, and 4.

4 0
3 years ago
Jamal has two investments, one in Company A, and another in Company B. Jamal purchased 300 shares in Company A at $1.45 per shar
anyanavicka [17]

Answer:

$20

Step-by-step explanation:

Company A:

Buy 300 shares at $1.45 per share.

Sell 300 shares at $1.65 per share.

Profit: ($1.65 - $1.45) * 300 = $60

Company B:

Buy 200 shares at $1.20 per share.

Sell 200 shares at $1.10 per share.

Loss: ($1.20 - $1.10) * 200 = $20

Net profit:

$40 - $20 = $20

6 0
3 years ago
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