x-intercepts SAT Subject test Math

[nicole]

x-intercepts SAT Subject test Math level 2

How many x-intercepts has the graph of ?

(A)
(B)
(C)
(D)
(E)

Thanks!

[miranda]

This is a GDC (graphic display calculator) question.

For example in CASIO fx-9860 we have to do the following procedure in order to find the real roots (x-intercepts) of this graph.
MENU>GRAPH>>DRAW(F6)
We observe that the graph of has two x-intercepts at

Therefore the correct answer is (C)

Hope these help!!

[nicole]

Thanks miranda!