Wednesday

October 1, 2014

October 1, 2014

Posted by **KK** on Saturday, July 27, 2013 at 12:56pm.

- Maths -
**Steve**, Saturday, July 27, 2013 at 3:34pmdf/dx = 2x+18

dg/dx = (2f+18)(2x+18)

df/dx=0 when x = -9

dg/dx=0 when f = -9 or x = -9

f = -9 means

x^2+18x+a = -9

x = -9±√(72-a)

So, a <= 72

**Answer this Question**

**Related Questions**

calculus - Find the point on the curve y=x^(1/2) that is a minimum distance from...

maths - #1 x + 2y < 18 x + y < 10 2x + y < 18 x, y > 0 Maximize z = ...

math - Determine whether this function has a mzximum or minimum value and then ...

John - min/max point minimum or maximum f(x)=2x^2+8x-2 a=2 x=(-b)/(2a)=(-8)/(2)(...

Algebra - min/max point minimum or maximum f(x)=2x^2+8x-2 a=2 x=(-b)/(2a)=(-8)/(...

Math/Algebra...can you check this please... - f(x)= -4(x+5)^2+3 The vertex is...

math - I'm having some troubles with these. Thanks in advance. If a>0 find ...

Algebra- Maximum and minimum. - I dont understand how to find the maximum and ...

ALGEBRA - Find the vertex, the line of symmetry, the maximum or minimum value of...

MATH - How do i solve the pair of simultaneous equations y=4-2x y=2x^2-3x+1 ?? ...