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Alexeev081 [22]
3 years ago
12

Please help! Is it linear or exponential?

Mathematics
2 answers:
Bingel [31]3 years ago
7 0

Definitely exponential.  If this function were linear, then the slope, based upon the 1st two points, would be 4; the function would be y-8 = 4(x-2), or

y = 8 + 4x - 8, or y = 4x.  Then, if x = 4, y would be 4(4), or 16.  This is very different from the point (4, 128) given in the table.

The exponential function in question has a first value of 2 and a common ratio of 4.

topjm [15]3 years ago
6 0
The answer is linear of this function problem
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Need help ASAP math
givi [52]

Answer:

C

Step-by-step explanation:

We know it's direct variation using the direct variation equation.

y=kx

Where k is the constant.

Since 7 times x is the y values, k=7

Now we can substitute 7 into k of the direct variation equation.

y=7x

5 0
3 years ago
Chad drove 168 miles in 3 hours. How many miles per hour did Chad drive?
igor_vitrenko [27]


°° Let's see -

Basically, you divide the number of miles Chad drove by the number of hours it took. Then, it gives you the number of miles Chad drove in one hour. Let's try it!

168 ÷ 3 = 56

You can now see that Chad drove 56 miles in one hour.

↑   ↑   ↑  Hope this helps! :D

5 0
2 years ago
Read 2 more answers
From the topic:areas and volumes​
Serggg [28]

this question is unambiguous.

6 0
1 year ago
If 15 women can finish a piece of work in 66 days, how long will 9 women take to finish the work?
Mice21 [21]

Answer:

39.6 Days. It is a proportions problem.

5 0
2 years ago
Ali will rent a car for the weekend. He can choose one of two plans. The first plan has an initial fee of 70 and costs an additi
Aleksandr-060686 [28]

Answer: Ali would need to drive 350 miles for the two plans to cost the same.

Step-by-step explanation:

This question can be solved by creating two equations using the information supplied in the question and then solving these simultaneously.

Let the cost be C.

Let the number of miles be M.

Let the initial payment be i.

Let the rate per mile driven be R.

Plan 1:

C = i+R×M

C = 70+0.60M ... equation 1

Plan 2:

C = i+R×M

C = 0+0.80M

C = 0.80M ...equation 2

Substituting equation 2 into equation 1:

0.80M = 70+0.60M

0.80-0.60M = 70

0.20M = 70

M = 70/0.20

M = 350 miles

5 0
3 years ago
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