Vocal
Function Notation
Graph Characteristics
Is it a function?
REAL WORLD
100
All possible X values of a function
What is DOMAIN
100
Evaluate f(x)=3x3+ 2x2 - 5 for f(2)
What is 27
100
Domain and Range
What is
Domain(-infinity, + infinity)
Range (-infinity, -2)
100
Is it a function? Explain.
What is yes, it passes the vertical line test.
100
Equation for cost (c) for steak that costs $15.99 per pound (p)
What is c = 15.99p
200
A relation in which all x values have exactly one y value.
What is a FUNCTION
200
Evaluate h(x) = 2x - 7 for h(5)
What is 3
200
Name the minimum/maximum
What is a maximum at (-1, -2)
200
Is it a function? Explain.
{ (4, 4), (6, 4), (-8, 4), (-5, 4)}
What is Yes, each x has exactly one y value.
200
Equation for total pay (p) for John who gets paid $20 each hour (h)
What is p = 20h
300
All the possible y values of a function.
What is RANGE
300
Evaluate g(x) = 3x2 - 5 for g(-4)
What is 43
300
Name the x-intercept?
What is---there isn't one.
300
What is Yes, Each x has exactly one y value.
300
Equation for total money saved (t) if Hank has $120 and saves $50 each week(w).
What is t = 50w + 120
400
Test used on a graph to see if it is a function.
What is the VERTICAL LINE TEST.
400
Evaluate g(x) = |-3x + 2| for g(3)
What is 7
400
What is the y-intercept(s)?
What is (0,-3)
400
Is it a function? Explain.
{(4, 5), (5,6), (6, 7), (5, 8)}
What is NO, the x value 5 has two y values.
400
Equation for total cost of pizza (c) for the party that has a $5 delivery charge and $10 per pizza (p).
What is c = 10p + 5
500
The first coordinate in an ordered pair.
What is X coordinate
500
Evaluate h(x) = |4x -3| for h(-5)
What is 23
500
Increasing/decreasing intervals
Increasing (-infinity, -1)
Decreasing (-1, +infinity)
500
If this a function?
What is NO, the x value (3), has more than one y value.
500
Equation for a car salesman total monthly pay (p) who gets paid a $2,000 a month salary plus 5% commission on his total sales (s) for the month.
What is p = .05s + 2,000