Answer:
$6.22
Step-by-step explanation:
6 because 18 divided by 3 equals 6
Answer:
B
Step-by-step explanation:
A graph is only a function when there is only one y value for each x value.
A trick is to draw a line through some points on the x-axis, and if the line goes through more than one point. Then it is not a function. (See picture)
Sorry, not all the lines are straight, but you get the point. B is the only one that doesn't have more than one point on the lines I drew.
7720 + 80x = 3200 + 120x
I think this is correct. Hope it helps!
7x^4 +7/x^2 on the interval [-2,3]