Answer:
f(x)^-1=
-1
f(x)=x^3+1+3x^2+3x
Step-by-step explanation:
Answer:
175.9
Step-by-step explanation:
AL=2πrh=2·π·4·7≈175.92919 rounded to the nearest tenth would be 175.9
Answer:
Here for the comments .
Step-by-step explanation:
Answer: 120
Step-by-step explanation:
Given : The league championship 800 meter race has 6 runners.
The number of positions = 3
Since order matters here , so we use Permutation.
The permutation of n things taking r at a time is given by :-

Then, the number of different ways they place first, second, and third :_

Hence, they can place first, second, and third in 120 different ways .
The answers are:
13. |3y|=9, y<0
14. |x|=2, x>0