Answer:


Step-by-step explanation:
Given

Solving (a): The mean of the 6 samples.
This is calculated as:

So, we have:



Solving (b): The sample standard deviation.
This is calculated using:

So, we have:




Answer:
Step-by-step explanation:
using sine formula

Answer:
Step-by-step explanation:

Scale factor:
1:2
Answer:
Step-by-step explanation:
B. x4 + 4x3 + x2 + 4x
Answer:
(fog) (x) = 8*(2x+1)=16x+8
Step-by-step explanation: