4 parts following these instructions Find the critical numbers for f and the open intervals on...

4 parts following these instructions

Find the critical numbers for f and the open intervals on which f is increasing (decreasing)

For the first question, your answer should be a comma-separated list of x values or the word "none". For the other two, your answer should either be a single interval, such as (0,1), a comma-separated list of intervals, such as (-inf, 2), (3,4), or the word "none".

answeres needed for each part

1.	The critical numbers for f are
2.	f is increasing on the intervals
3.	f is decreasing on the intervals

part 1)

Let f(x)=18+3x−x^2

part 2)

let f(x)= 5+2x-x^3

part 3)

let f(x)=6x-6

part 4)

let f(x)= 6x^2-8x^4

Expert Solution

milcah answered 2 years ago

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