Monday

September 1, 2014

September 1, 2014

Posted by **Anissa** on Monday, October 10, 2011 at 1:47pm.

y= x^3 -x^2 -6x

a) 0<x<3 min

b) -2<x<0 max

- algebra -
**Anissa**, Monday, October 10, 2011 at 3:00pmwhat is tttt?

- algebra -
**Steve**, Monday, October 10, 2011 at 3:13pmy = x^3 - x^2 - 6x = 0(x+2)(x-3)

y' = 3x^2 - 2x - 6

y' = 0 at approximately 1.7, -1.1 (1 +- sqrt(19))/3.

Knowing what we do about the shape of cubics, we can say that a local max is at x=-1.1, and a local min is at x=1.7

Note how the given intervals correspond to exactly one "hump" of the graph, so the local min/max is the min/max for that interval.

- algebra -
**Anissa**, Monday, October 10, 2011 at 3:45pmI don't understand the y' stuff. I'm only in algebra. Is there another way?

- algebra 1 -
**toria**, Monday, October 10, 2011 at 5:09pmhow do u convert 63 yards into ft

**Answer this Question**

**Related Questions**

MAth - If 1 gallon (gal) of water weighs 8.34 pounds (lb), how much does 3.75 ...

math - how to solve this problem: max min(x-y)..... here where the max have ...

PreCalc - y =( (C-A)/2 ) sin( (X - (A - ( (C - A)/2 ) ) )( pi/(C-A) ) ) + (B...

Calculus - Find any absolute max/min and local max/min for the function f(x)=x^3...

Math - For each of the following quadratics, determine if the equation has a max...

C programming - Question: Write a program that reads integers from the keyboard ...

Math- Double check - Please double check me Find the median of the following set...

Diff Calculus - Find the interval(s) where the function is increasing of ...

Maths - f(x)=1+2cos2x Find min/max, period, general solution, sketch Period is ...

Computer science - If we have any five numbers. how do we find maximum and ...