Answer:
no its not a function
Step-by-step explanation:
i hope i help ;)
In the second year they have made $9 million profit compared to the first year.
Answer:
True
Step-by-step explanation:
If a is negative then the shape of the graph is an upside down U, which intersects the x-axis. If a is positive it will never cross the X axis.
Answer:
x = (-15)
y = 6
z = 3
Step-by-step explanation:
x + y + z = -6______(1)
2x - y - 5z = -21____(2)
-x - y -6z = -9______(3)
(1) + (2)
z = 3, (1) + (2)
x = (-15), (1)