Friday

December 19, 2014

December 19, 2014

Posted by **Cassy** on Tuesday, March 9, 2010 at 12:32am.

- Calculus -
**FredR**, Tuesday, March 9, 2010 at 4:33amy = (x-2)^2

y = x^2-4x -4

dy = 2xdx - 4dx

so,

dy/dx = 2x-4

dx/dt = 2

so,

dy/dt = dy/dx dx/dt

= 2(2x-4)

= 4x-8

for x=1 then

dy/dt = 4(1)-8 = -4 units per second

**Answer this Question**

**Related Questions**

college calculus - a point is moving on the graph of xy=30. when the point is at...

college calculus - a point is moving on the graph of xy=30. when the point is at...

Calculus - A particle moves along the curve y = sqr(1+x^3). As it reaches the ...

Calculus - A particle moves along the curve y = sqr(1+x^3). As it reaches the ...

DIFF. CALCULUS - A particle is moving along the parabola 4y = (x + 2)^2 in such ...

calculus - A particle moves along the curve y=square sqrt 1+x^3. As it reaches ...

college calculus - 1) each side of a square is increasing at a rate of 6cm/s. At...

calculus (related rates) - A particle moves in the plane along the curve y=xln(x...

Math - A particle is moving along the curve y = 4x^2 + 1 in such a way that the ...

Calculus - A particle is moving along the curve whose equation is (xy^3)/(1+y^2...