Answer and Step-by-step explanation:
The rate of change is basically where you divide the change in the function of a variable by the change in the variable itself.
Usually when discussing rate of change in mathematics, people are talking about slopes of lines. Here, there is a specific formula for the change in y over the change in x: .
Hope this helps!
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.