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julsineya [31]
3 years ago
11

Which table represents a linear function?

Mathematics
2 answers:
Phoenix [80]3 years ago
3 0
For it to be a linear equation, the same difference in x must produce the same difference in y always.

Choice A.
difference in x: 2 - 1 = 1
difference in y: -6 - (-2) = -4

difference in x: 3 - 2 = 1
difference in y: -2 - (-6) = 4

A difference of 1 in x gave a difference of -4 in y and another difference of 1 in x gave a difference of 4 in y.
This is not linear.

Choice B.
difference in x: 2 - 1 = 1
difference in y: -5 - (-2) = -3

difference in x: 3 - 2 = 1
difference in y: -9 - (-5) = -4

A difference of 1 in x gave a difference of -3 in y and another difference of 1 in x gave a difference of -4 in y.
This is not linear.

Choice C.
difference in x: 2 - 1 = 1
difference in y: -10 - (-2) = -8

difference in x: 3 - 2 = 1
difference in y: -18 - (-10) = -8

Do the other differences. All differences in y are -8 corresponding to a difference in x of -1.

This is linear.

Choice D.
The differences in y vary. It is not linear.

Answer: Choice C is linear.
kiruha [24]3 years ago
3 0
Choice is C is the best
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Molodets [167]
Week 1: $100
Week 2: $102
Week 3: $104.04
Week 4: $106.1208
Week 5: $108.243216
Week 6: $110.40808032
Week 7: $112.6162419264
Week 8: $114.868566764928
Total: $858.296905011328

(A=100[((1+0.02)^(8)-1)(/0.2)=858.29

Hope that helped!
5 0
4 years ago
Read 2 more answers
a certain number of two digit is three times the sum of its digit and if 45 added to it the digit will be reversed find the numb
bogdanovich [222]
· Author has 184 answers and 67.6K answer views
Let the number be (10 x + y)

Then, 10 x + y = 3 * (x + y) (given)

Or, 10 x + y = 3 x + 3 y

Or, 10 x - 3 x = 3 y - y

Or, 7x = 2 y

Or, x = 2 y / 7 ( Eq. 1)

Also, 10 x + y + 45 = 10 y + x ( given)

Or, 10 x - x = 10 y - y - 45

Or, 9 x = 9 y - 45 ( Eq. 2)

Substituting the value of x from (Eq. 1) in (Eq. 2), we have:

9 * 2 y / 7 = 9 y - 45

Or, (9 y ) - (18 y / 7) = 45

Or, 63 y - 18 y = 315

Or, 45 y = 315

Or, y = 7

From (Eq. 1),

x = 2 * 7 / 7 = 2

So, the number is 10 x + y = (10 * 2) + 7 = (20 + 7) = 27

Answer

Check:

Sum of the digits = 2 + 7 = 9

9 * 3 = 27 ✓

Adding 45 to the number 27, we get 72. So, the digits get reversed.
5 0
3 years ago
Someone help me with this
qwelly [4]

Answer:

D

Step-by-step explanation:

there are 9 digits.

and round it off to the nearest hundred million which is 3.

There are 8 digits before the 3... so 10 gets to the power of 8.___ 10⁸

3,0×10⁸ m.s^-1

3 0
3 years ago
A lawn mowing service charges customers a flat fee plus an hourly rate for their services. The expression 55x + 15 is used to ca
EastWind [94]

Answer:

JK+7]BBUH ,.H,YT MKY,TFY7YKJKKKKKKKKKJKJKHNJ[KL-L;*

Step-by-step explanation:

JK ITS B

6 0
3 years ago
I will rate you brainliest
slava [35]

Answer:

(3x+11)/ (5x-9)

Step-by-step explanation:

The numerator is what is on the top of the bar in the middle

(3x+11)/ (5x-9)

7 0
4 years ago
Read 2 more answers
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