A football team carried out a report to see the impact of stretching on preventing injury. Of the
1 answer:
Answer:
Step-by-step explanation:
First, we need to know the number of player that don't stretch and the number of player that don't stretch and get injured.
So, the number of player that don't stretch are calculated as:
28 - 21 = 7
Because there are 28 footballers and 21 stretch regularly.
Additionally, the number of player that don't stretch and get injured are equal to:
8 - 3 = 5
Because there are 8 injured players and 3 of them stretch.
Finally, the fraction of players who don't stretch that get injured are:
Because there are 7 players that don't stretch and 5 of them get injured last year.
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Answer:
A. Both functions are positive and decreasing on the interval.
Step-by-step explanation:
The table shows that f(x) decreases when x increases in the interval (0,3).
All the values of f(x) are positive in the interval (0,3).
For the exponential function that passes through the points (0, 27) and (3, 0), we also see that f(x) is decreasing when x increases: when x goes from 0 to 3, f(x) goes from 27 to 0.
Also all the values of f(x) are positive in the interval.
Then, both functions are positive and dereasing in the interval.
