What are the critical numbers

Find all critical numbers for the function𝑓(𝑥)=𝑥15−𝑥−45 and then list them (separated by commas) in the box
1. 0 answers
2. asked by Anonymous
3. 323 views
2x^3+3x^2-120xto find the critical numbers I took the derivative which is 6x^2+6x-120 so divide by 6 to simplify x^2+x-20=0 so
1. 2 answers
2. asked by Angelina
3. 703 views
f(x)=x+1/x Find all critical numbers. Find where the function is increasing and decreasing. Find critical points and identify
1. 1 answer
2. asked by CALCULUS!!!
3. 1,059 views
How do you find the critical numbers and the end points of this function:f(x)=2x^3-3x^2-12x+5 i calculated the critical numbers
1. 2 answers
2. asked by Sandra
3. 742 views
The critical numbers of the function:f(t)=7t^(2/3)+t^(5/3) f'(t)=14/3t^(-1/3)+(5/3)t^(2/3) I got 0 as a critical number but it
1. 1 answer
2. asked by Jay111
3. 1,407 views
If y= (x^2+20)/(x-4) Find all critical Numbers.After get f' i got the answer -5/4. What did i do wrong or is that the critical
1. 1 answer
2. asked by Derek
3. 421 views
If y= (x^2+20)/(x-4) Find all critical Numbers.After get f' i got the answer -5/4. What did i do wrong or is that the critical
1. 0 answers
2. asked by Derek
3. 406 views
Use implicit differentiation to show that a function defined implicitly by sin x +cos y = 2y has a critical point whenever cos x
1. 3 answers
2. asked by Anonymous
3. 1,041 views
Find the critical numbers of the function g(t)=|5t-7|If you find g'(t) you just get 5 so would there be no critical numbers? Or
1. 1 answer
2. asked by Calculus
3. 1,275 views
1. Find all critical values for f(x)=(9-x^2)^⅗A. 0 B. 3 C. -3,3 D. -3, 0, 3 E. none of these I got D. I found the derivative
1. 1 answer
2. asked by Anonymous
3. 1,462 views