The independent variable is also usually represented by either x or y?
x
What letter represents the name of the function?
f
Between the years of 1900 and 2010 which state had a greater increase in population?
California
The graph represents function f, which gives the height of a drone, in meters, t seconds after it leaves the ground.
Which value is greater, f(3) or f(7)?
f(3)
Vertical intercepts are on the ___ - axis
y
The distance a person walks, d, in kilometers is a function of time, t, in minutes, since the walk begins.
What is the input in this function?
time in minutes
Which part of the notation represents the input of the function?
t
According to this graph, did California and Texas ever have the same population? If yes, in what year?
Yes, in 1930.
Use function notation to represent the horizontal intercept.
h(4) = 0
Function W gives the temperature, in degrees Fahrenheit, of a pot of water on a stove, t minutes after the stove is turned on.
Explain what W(5) > W(2) represents in this situation.
The temperature of the water at 5 minutes after the stove is turned no is greater than the temperature of the water at 2 minutes.
Is the graph a function?
no
Which part of the function notation represents the output of the function?
f(t) -- the entire thing
Find the average rate of change in temperature between 4 p.m. and 10 p.m.
-2.8 degrees/hour
At what time does D(t) = R(t)?
at t = 4.3 ( or somewhere close to 4.3)
An art museum opens at 9 a.m. and closes at 5 p.m. The function V gives the number of visitors in a museum h hours after it opens.
Explain what V(1.5) = 12 represents in this situation.
At 10:30 there were 13 visitors in the museum.
( Or 1.5 hours after opening, there were 13 visitors in the museum)
Is the following graph a functoin?
yes
The price of bagels, in dollars, is a function of the number of bagels bought, n. Explain what b(11) = 10 means.
The price of 11 bagels is $10.
Is the average rate of change between 1960 and 1980 increasing, decreasing, or 0?
Decreasing
Using function notation, what point is the maximum?
f(1.5) = 14
Given f(x) = 5x + 3
find f(3)
f(3) = 18
Jada goes for a walk and measures her distance from home in feet, and the time since she started her walk in minutes. Can she represent this situation using a function? (Explain your answer).
Yes, every input, or minute, has one output for distance.
The price of bagels, in dollars, is a function of the number of bagels bought, n.
Use function notation to represent the cost of 6 bagels.
b(6)
Did the temperature drop faster between 4 p.m. and 6 p.m. or between 6 p.m. and 10 p.m. ?
Betwen 4 p.m. and 6 p.m.
Use function notation to represent the horizontal intercept.
h(0) = 9
Given g(x) = 10x -4
Find the value of x when g(x) = 16
x = 2