Question 1086957
Question:
Find the y-intercept of the polynomial function.
f(x) = -x^2(x + 6)(x^2 - 1)
 
Solution:
The y-intercept is where the graph crosses the y-axis, where x=0.
Therefore, 
y-intercept=f(x=0)=f(0)=-0(0+6)(0^2-1)=0
The y-intercept is zero, and crosses the y-axis at (0,0).