1. Which of the following is NOT a zero of P(x)= x¹- 4x³- 7x² + 22x + 24?
a. 0
b. -1
c. 3
d. 4

2. Which of the following polynomial functions has a graph that crosses the x axis at (-4,0)?
A. f(x) = (x-4) (x + 4)
C. f(x)=(x-4)3
B. f(x)= x(x + 4)2
D. f(x) (x-4)3

3. Which of the following polynomial functions has a graph that touches the x-axis at (-4,0)?
A. fix)=(x-4) (x + 4)
B. fix) = x(x + 4)>
C. f(x)=(x-4)3
D. f(x) = (x-4)3​