Answer:

Step-by-step explanation:
as with all functions f(t), the average rate of change on [a.b] is

The answer is x^4-6x^3+12x^2-28/x^2
Answer:
C
Step-by-step explanation:
There is a positive correlation, as hours spent gets bigger the test score gets bigger with some outliers
Answer:
56n - 35
Step-by-step explanation:
6n + 5(10n - 7) ← multiply each term in the parenthesis by 5
= 6n + 50n - 35 ← collect like terms
= 56n - 35
Answer:
8 7
Step-by-step explanation:
15/10-8/10=7/10