CALCULUS
posted by mkcolema
6.
f(x)= 12x^5 + 30x^4  160x^3 +4
For this function there are four important intervals:(inf, A] ,
[A,B] ,[B,C],[C, inf) where A ,B ,C are the critical numbers.
Find A B AND C and at those points do they have a local min, max or neither??

mike
df
Respond to this Question
Similar Questions

calculus help please
Consider the function f(x)=2x+9x^–1.? For this function there are four important intervals: (inf,–A], [A,B),(B,C), and [C,inf) where A, and C are the critical numbers and the function is not defined at B. Find A= ? 
calculus
8. f(x)=  2x^3 + 45x^2 300x +9 There are 3 intervals (inf,A], [A,B], [B, inf) where A and B are critical points. Find A and B? 
calculus
f(x)=  2x^3 + 45x^2 300x +9 There are 3 intervals (inf,A], [A,B], [B, inf) where A and B are critical points. Find A and B? 
Calculus (pleas help!)
Consider the function f(x)=12x^5+60x^4−100x^3+4. For this function there are four important intervals: (−INF,A], [A,B] ,[B,C] , and [C,INF) where A, B, and C are the critical numbers. Find A, B, and C. At each critical … 
Calculus (urgent!!)
Consider the function f(x)=12x^5+60x^4−100x^3+4. For this function there are four important intervals: (−INF,A], [A,B] ,[B,C] , and [C,INF) where A, B, and C are the critical numbers. Find A, B, and C. At each critical … 
calculus
Consider the function f (x)=x1=5(x��4). This function has two critical numbers A < B Find A and B For each of the following intervals, tell whether f (x) is increasing (type in INC) or decreasing (type in DEC). (inf;A]: … 
Calculus
Suppose that f(x), f'(x), and f''(x) are continuous for all real numbers x, and the f has the following properties. I. f is negative on (inf, 6) and positive on (6,inf). II. f is increasing on (inf, 8) and positive on 8, inf). III. … 
Calculus
Consider the function f(x)=2x^3+33x^2108x+2. For this function, there are three important intervals: (Inf,A], [A,B], [B,Inf) where A and B are the critical points. Find A and B and for each of the important intervals, tell whether … 
Calculus
Consider the function f(x)=4(x5)^(2/3). For this function, there are two important intervals: (Inf, A) and (A, Inf) Where A is a critical number. Find A 
Calculus
Find the intervals on which x^2/(x3)^2 is decreasing. a. (0,6) b. (0,3), (3,6) c. (inf,0), (6,inf) The critical numbers are x=0 and 6, but since there is an asymptote at x=3, I'm not sure whether a or b is the answer.