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lesantik [10]
3 years ago
5

Janet is training for a marathon. She decides to track her time per mile, in minutes, for 8 weeks. Which equation best fits the

data?

Mathematics
1 answer:
morpeh [17]3 years ago
4 0

Answer: y = -2x - 8.6

Step-by-step explanation:A graph is labeled as Marathon Training. The horizontal axis is labeled as Weeks and the vertical axis is labeled as Time per mile left parenthesis minutes right parenthesis. The values on the horizontal axis range from 0 to 10 in increments of 2 and the values on the vertical axis range from 0 to 10 in increments of 2. Nine points are marked on the graph with their coordinates approximately equal to (0, 10), (1, 9 decimal point 9), (2, 9 decimal point 6), (3, 9 decimal point 5), (4, 9 decimal point 4), (5, 9 decimal point 2), (6, 9), (7, 8 decimal point 7), and (8, 8 decimal point 6).

A.

y

=

0

.

18

x

+

10

.

06

B.

y

=

−

0

.

18

x

+

10

.

06

C.

y

=

2

x

+

8

.

6

D.

y

=

−

2

x

+

8

.

6

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Answer:

a_n=5-2(n-1), all integers where n≥1

Step-by-step explanation:

we know that

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Remember that

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To find out the common difference subtract the first term from the second term

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substitute the given values in the formula

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The domain is all integers for n\geq 1

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Answer:

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