Answer:
Step-by-step explanation:
Maximum value is when cos x = 1
So it is -2 + 4(1) = 2.
Minimum value, when cos x = -1:
= -2 + 4(-1) = -6.
Answer:
3, 4, Point R to Point Q, and depression from Point Q to Point R
Step-by-step explanation:
......

Factor square root of 32: 2^5/2.
Factor 4: 2^2

Cancel 2 1/2= 2 1/2.
2 1/2= square root of 2.
Answer: 
Hope this helps :)
Answer:
Yes, Yes you can, but it is extremely difficult.
Step-by-step explanation
Instead of saying (for example ) 
You say 1 divided by 2
Then you get 0.5.
Hope this helps! Tell me if you need more explaination :)
~PumpkinSpice1