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2 years ago

Does (5,-8),(3,5),(3,-3),(2,8) represent a function

Mathematics

1 answer:

Rzqust [24]2 years ago

8 0

Answer:

Step-by-step explanation:

So to determine whether this is a function, we first need to know what a function is. A function is defined as for each input, there is only 1 output.

This output doesn't have to be unique and other inputs can output this output, but it only matters that each input outputs only one output.

So let's look at what you provided and specifically these two points:

(3, 5)

(3, -3)

This input 3, outputs 5 and -3, which is not a function since this input outputted 2 different outputs. One thing to note is had you provided the two points: (3, 5), (3, 5) instead then it would still be a function because the input outputted the same output of 5 both times.

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It takes Hoai 20 minutes to walk to his friend's house 7/8 mile away. What is his walking pace?

algol [13]

Step-by-step explanation:

To find her walking pace in 'miles per hour', we need to divide the distance (in miles) by the time (in hours)

speed

distance

time

The time is given in minutes, but

minutes =

hours

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6 0

2 years ago

Read 2 more answers

What is the prediction for the outcome when the independent variable is 3? (Round the answer to the nearest hundredth.)

adelina 88 [10]

C bc i am a professor at Yale and it is simplistic...............................................................

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4 years ago

Analyze Corey’s work to find his error. What is Corey’s mistake? He substituted 80 for x instead of y. He should have added 88.2

Anni [7]

x is the temperature and y is the number of swimmers. If there are 80 swimmers, then y = 80 instead of x = 80

This is how Corey should have solved

y = 1.505*x - 88.21

80 = 1.505*x - 88.21 <--- replace y with 80

1.505*x - 88.21 = 80

1.505*x = 80 + 88.21 <--- add 88.21 to both sides

1.505*x = 168.21

x = 168.21/1.505 <--- divide both sides by 1.505

x = 111.767

x = 111.8

If there are 80 swimmers at the pool, then the possible outside temperature is roughly 111.8 degrees F. This temperature seems awfully large, so it's possible that Corey's regression equation has limited scope; in other words, it isn't too useful if x is outside a given interval

<h2> IF YOU DONOT WANT TO READ SO MUCH THEN </h2>

PLEASE SEE THE ATTACHMENT 

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3 years ago

Solve this picture inserted of the problem above:) plz show how u sloved it plz and thank u:)

pantera1 [17]

200:22, 400:44, so there are 6 more marked deers left. To find them, 200/22, 9.09090909....., so 9.09090909*50 = 454.54545454 (round that and you get 455, hence the answer would be C).

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4 years ago

The formula for the area of a rectangle is A = lw. What

emmasim [6.3K]

Answer:

20 square units

Step-by-step explanation:

we know that

The area of rectangle is equal to

$A=LW$