11. Tom works at an aquarium, he is asked to clean the coral reef tank. The function graphed below represents the amount of water in gallons, y, of a the tank after x, hours.
y
225
Word Bank.
200
175
Slope, linear, quadratic,
exponential, y = mx +b, y =
ax²+bx+c, y-intercept, x-
intercept.
150
Water (gallons)
125
100
75
50
25
o
0 1 2 3 4 5 6 7 8
Time (hours)
The graph represents a
function. In which the equation is
The
feature of the graph shows the point at which
the tank ends its draining. The
shows the initial amount of water in
the tank before cleaning which is
The
is negative which shows
the amount of water being drained over the number of hours.