Question

Which is the graph of f(x) = (x-1)(x + 4)?

O
2
AV
2
--2-
O
6
O

Answer 1

The bottom one

Explanation:

Notice that the graph is an upward opening parabola and passes through the x-axis at the x-intercepts x=1 and x=-4. These are our zeroes that allow f(x)=0 by the Zero Product Property.