In a function, each input has how many outputs?
One
Horizontal
Which variable depends on another: independent or dependent?
Dependent variable
What is the value of y when x = 3
y = 1
In which city is Hollywood located?
Los Angeles
Does the set {(2, 3), (4, 5), (6, 7)} represent a function?
Yes. Each input has one output
Plot the point (3, -2). Which quadrant is it in?
Fourth Quadrant
In the equation y=3x+2 which variable is independent?
x is the independent variable
At what point does the function intersect the y-axis
(0,-5)
What is the name of the city famous for its casinos?
Las Vegas
Is it a function?
No. It is not a function
At what point do the x-axis and y-axis intersect?
(0,0) or the origin
What is the dependent variable?
Time
If f(x) = 2x², what is f(3)?
f(3) = 18
Which singer is from the United States? Rihanna, Shakira, or Bruno Mars?
Bruno Mars (from Hawaii)
Is temperature a function of the time of day.
Yes. Each time of day has only one temperature
Put the points (0,0), (1,2), (2,4), and (3,6) on a graph. What pattern do you notice?
They form a straight line
The distance a runner runs (d) depends on the time (t) they run. What is the independent variable?
The time
f(x)=3x2−2x+1, what is f(2)
f(2) = 9
What holiday do Americans celebrate in November
Thanksgiving
Is the set {(1, 4), (2, 4), (3, 5), (5, 2), (4,5), (6, 2), (3, 6)} a function?
No. The input 3 has two different outputs.
If f(x) = x², what are the points for x = -2, 0, 1,
(-2, 4), (0,0), (1,1)
The money a worker makes is based on the hours worked. Which is the independent variable?
Hours worked
A plant is 10 cm tall and it grows 3 cm each week. Write a function and find the height after 5 weeks.
h(w) = 10 + 3w; height = 25 cm after 5 weeks.
Which awards ceremony includes Album of the Year and Song of the Year?
The Grammy Awards