Answer:
12:15
Step-by-step explanation:
Answer: -1
Take 2 random coords from the graph to find the slope
(0,4) and (2,2)
(4-2)/(0-2) = -1
Since a^2 - b^2 = 1, the value of y = 1 because x=1 and 1^2 - 1^2 = 0
C