Nine point zero tenths and five ones
Carpet Master would be cheaper because 6 x 9 would be 54 $$$
Area of a square = length²
A = x²
16 = x²; x = 4
dA/dx = 2x cm²/s
dx/dt = 6 cm/s
Using chain rule:
dA/dt = dA/dx * dx/dt
dA/dt = 2x * 6
dA/dt = 12x
At x = 4,
dA/dt = 12(4) = 48 cm²/s
<span>a
-7xy3 + 8x2y2 - + 4x4</span>
