On the curve, the points at which the gradient of the curve is equal to zero are
-
A.
c, d, f. i, l -
B.
b, e, g, j, m -
C.
a, b, c, d, f, i, j, l -
D.
c, d, f, h, i, l
Correct Answer: Option B
Explanation
The gradient of any curve is equal to zero at the turning points. i.e. maximum or minimum points. The points in the above curve are b, e, g, j, m