Understanding Functions
Rate of Change
Domain
100
The height of a football, H, in meters, is a function of time, t, in seconds. What is the height of the football 3 seconds into its flight?
h(3)=6
or
6 meters
100
The graph represents a dog walker's speed. What is the his speed between the 2nd and 6th minute.
0 miles per hour
100
Find the domain of the graph:
-4<=x<=4
200
How many relative maximum do you see?
3
200
Find the slope of the line that passes through the points (-3,-32) and (3,4)
6
200
A. the set of real numbers
B. the set of positive real numbers
C. the set of integers
D. the set of positive integers
B
300
The graph represents the amount of water in Rover's dish as time passes. What does the point (105,0) represent. 
The amount of time it takes Rover to drink all his water.
300
Find the rate of change of the function on the interval -3<=x<=6
4/3
400
On what interval is the value of g(x) , shown below, decreasing?
-2<=x<=2
400
Find the average rate of the change in temperature, in degrees per hour, on the interval 12<=t<=15 
-2/3 degrees per hour
or
-0.67 degrees per hour
500
Find the x and y intercepts for the line given by:
5y=-4x+60
x-int: (15, 0)
y-int: (0, 12)
500
An astronaut kicks a rock off the moon. It's height in feet can be modeled as a function of time, in seconds.
D(t)=(x-1)^2+2
What is the speed of the rock, in feet per second, between the 2nd and 5th second?
5 ft. per sec.