Wednesday

April 1, 2015

April 1, 2015

Posted by **lori** on Friday, March 29, 2013 at 5:30pm.

f(x)= x/4 + 4/x

- calculus -
**Reiny**, Friday, March 29, 2013 at 6:27pmf ' (x) = 1/4 - 4/x^2

= 0 for a turning point (max/min)

1/4 = 4/x^2

x^2 = 16

x = ± 4

make a rough sketch to see that

the curve is increasing for x<-4 OR x>4

the curve is decreasing for -4 < x< 4 , x±0

**Answer this Question**

**Related Questions**

Algebra - Im having a hard time figuring out this problem: Use the function, y...

calculus - f(x)= −x2lnx find the critical points , increasing & decreasing...

calculus - y=x^3-3x. Fill out the following table and then make a rough sketch ...

algebra - Im having a hard time figuring out this problem: Use the function, y...

Please check my Calculus - 1. Given f(x)=-6/x, choose the correct statement A. ...

Calculus (urgent!!) - Please answer the following questions about the function f...

Calculus (pleas help!!!) - Please answer the following questions about the ...

Calculus (pleas help!!!) - Please answer the following questions about the ...

Calculus - F(x) = x^5 ln x A) Find the interval on which f is increasing Find ...

increasing decreasing calc - f(x)=x^3=12x-24 f'(x)=3x^2+12=0 3x^2=-12 x^2=-4 ...