Answer:
Step-by-step explanation:
To find the area of the inner circle, we need to find its radius. Here, we can write the radius as 4 - x. Now, we can use the formula :
A = *
We can expand the square:
A =
Thus, the polynomial is .
Hope this helps!
Step-by-step explanation:
The height of the swipe card is given by :
.....(1)
We need to find the maximum height of the swipe card and the time to reach the maximum height.
For maximum height, put dh/dt = 0
So,
It will take 1.67 seconds to reach the maximum height.
Now, put t = 1.67 s in equation (1).
Hence, the maximum height of the swipe card is 34.68 feet and the time to reach this height is 1.67 s.