Julia finds that the data in the table can be modeled by the function y = 5(4)x.
2 answers:
Answer:
Julia is not correct because the distance does not increase by a constant factor each minute.
Step-by-step explanation:
Julia modeled the data in the table by the function .
A 2-column table with 5 rows. The first column is labeled time (minutes) with entries 0, 1, 2, 4, 8. The second column is labeled distance (feet) with entries 5, 20, 80, 320, 640.
The values of y corresponding to the values of x are correct up to x = 2.
Now, for x = 4, the value of y is 1280 ≠ 320 and for x = 8, the value of y will be 327680 ≠ 640
Therefore, Julia is not correct because the distance does not increase by a constant factor each minute. (Answer)
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Answer:
<u>B</u>
Step-by-step explanation:
Let's simplify the given function.
Now, let's take x = 4 as it is given x > 3.
- (4 + 2)(4 + 3)/2(4) + 5
- 6(7)/13
- 42/13
Without evaluating, we can see the answer is <u>B</u> because on multiplying the factors in the numerator is simplified to the answer given in the option.