Answer:
4≤x>-9
Step-by-step explanation:
For question 11, you essentially need to find when h(t) = 0, since that is when the height of the ball reaches 0 (ie touches the ground).
For question 12, it is asking for a maximum height, so you need to find when dh/dt = 0 and taking the second derivative to prove that there is maximum at t. That will find you the time at which the ball will hit a maximum height.
Rinse and repeat question 12 for question 13
Answer:
correct
Step-by-step explanation:
She is correct.
For any integer, n, 5n is a multiple of 5.
5n + 3 is 3 more than a multiple of 5.
Start with 82. Subtract 3. Now you have 79.
79 is not a multiple of 5, so 5n + 3 will not contain the term 82.
Answer:
I think it's A
Step-by-step explanation:
