calculus
posted by zane .
For each function, find a. f''(x), and b. f''(3).
f(x)= 1

6x^2

f(x) = 1/(6x^2) = (1/6)x^(2)
f'(x) = (1/3)x^(3)
f''(x) = x^(4) = 1/x^4
As to answer question b, just change x with 3 and calculate the result
Respond to this Question
Similar Questions

CALCULUs
For all x in the interval [11,13] the function f is defined by x^3(x+3)^4 On which two intervals is the function increasing? 
math (calculus) PLZZZ help!
Consider the function below. (Round the answers to two decimal places. If you need to use  or , enter INFINITY or INFINITY.) f(x) = e^x/1+e^x find the horizontal and vertical assymptotes? 
calculus
At the indicated point for the function, find the following. A graphing utility's numerical derivative feature can be used to check your work. y = (x3 + 2x)3 at x = 3 (a) Find the slope of the tangent line. (b) Find the instantaneous … 
Calculus
Let f be the function be defined by f(x)=5^((2x^2)1)^(1/2) A) is f an even or odd function? 
calculus
Let f be the function be defined by f(x)=5^((2x^2)1)^(1/2) A) is f an even or odd function? 
Clueless in calculus
Let f be the function be defined by f(x)=5^((2x^2)1)^(1/2) A) is f an even or odd function? 
PreCalculus
Find the inverse function for the function f(x)=2^(x)+1/2^(x)1 You will need to use some properties of logarithmic functions to find the inverse of this particular function. 
calculus help
Produce graphs of f that reveal all the important aspects of the curve. Then use calculus to find the intervals of increase and decrease and the intervals of concavity. f(x)= 1+(1/x)+(5/x^2)+(1/x^3) find the interval of increase. find … 
calculus
8. Find the derivative of the function f(x) = cos^2(x) + tan^2(x) 9. Find f '(x) for f(x) = xln(x)  5ex. 10. Find f '(x) for f (x) = e(^lnx) + e^(x)ln(x) 11. Find the xcoordinate where the graph of the function f(x) = e^(cosx) has … 
calculus 1
f(x) = 3x^3  9x + 5 find the: 1) zeroes or undefined values 2) intervals where the function is greater than zero 3) intervals where the function is less than zero 4) coordinates of all maxima and minima 5) intervals where the function …