Question

The graph of y = x(x + 1)(x - 1)(x - 3) is shown.

E O
Which point is a turning point of the graph?
Ο Α
ОВ
5
4
0
3
2
OD
B
A
D
4 x
2
-3
.
-4
-5
-6
Mark this and return
Save and Exit
Next
Submit

Answer 1

B because a turning point of the graph means the valley or the top of a period of graph, the slope of the tangent line of which turn from negative to positive or from positive to negative.