Answer:
Use khan academy for the graph.
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
The answer is B. Since the graph increases by 4 on the y-axis as <em>x</em> increases by 1, the constant of proportionality is 4.
To find the zeros set the factors on the numerator equal to zero and solve
(x - 1) = 0 x = 1
(x + 1) = 0 x = -1