Question
Mathematics Question on Rate of Change of Quantities
A cube is expanding in such a way that its edge is increasing at a rate of 2 inches per second. If its edge is 5 inches long, then the rate of change of its volume is
A
150 in3/sec
B
75 in3/sec
C
50 in3/sec
D
30 in3/sec
E
45 in3/sec
Answer
150 in3/sec
Explanation
Solution
The correct option is (A): 150 in3/sec