Magnitude of slope of the shown graph.
First increases then decreases
First decreases then increases
Increases
Decreases
The area $'A'$ of a blot of ink is growing such that after $t$ second its area is given by $A = (3t^2 + 7)\,cm^2$. Calculate the rate of increase of area at $t = 2\, sec$. .......... $cm^2/s$
The side of a square is increasing at the rate of $0.2\,cm / s$. The rate of increase of perimeter w.r.t. time is $...........\,cm / s$
A particle moves along the straight line $y=3 x+5$. Which coordinate changes at a faster rate?