130k views
0 votes
Find the number of possible positive real zeros of f(x)= -7x^4+ 49x^3+ 84x^2.

A.three
B.two or none
C.one
D.none

User Wmax
by
5.2k points

1 Answer

2 votes
B.Two is your answer
User Nerdboy
by
3.9k points