Answer:
Average speed = 100 km/h
Step-by-step explanation:
Given:
Total distance covered = 250 km
Total time taken = 8:30 am - 6:00 am = 2:30 hours = 2.5
Find:
Average speed.
Computation:
⇒ Average speed = Total distance covered / Total time taken
⇒ Average speed = 250 / 2.5
⇒ Average speed = 100 km/h
F(x)=10-16/x
f'(x)=16/x^2
f'(c)=16/c^2
f(8)=10-16/8=10-2=8
f(2)=10-16/2=10-8=2
![f'(c)= \frac{f(b)-f(a)}{b-a} in (2,8), \frac{16}{c^2} = \frac{f(8)-f(2)}{8-2} , \frac{16}{c^2} = \frac{8-2}{8-2} ](https://tex.z-dn.net/?f=f%27%28c%29%3D%20%5Cfrac%7Bf%28b%29-f%28a%29%7D%7Bb-a%7D%20in%20%282%2C8%29%2C%0A%20%5Cfrac%7B16%7D%7Bc%5E2%7D%20%3D%20%5Cfrac%7Bf%288%29-f%282%29%7D%7B8-2%7D%20%2C%0A%20%5Cfrac%7B16%7D%7Bc%5E2%7D%20%3D%20%5Cfrac%7B8-2%7D%7B8-2%7D%0A)
4∈[2,8] is the required point.
Answer:
2. and 4.
Step-by-step explanation: