What's that mean?
A picture is worth 1000 words
Evaluate
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Miscellaneous
100
All the inputs or x-values included in a function are called the ______________
Domain
100
Given f(x) = x + 2, what point on the coordinate plane corresponds to x = 4?
(4, 6)
100
Given f(x) = x + 2, evaluate f(0)
f(0) = 2
100
Ms. Bowles wants to buy pizza for everyone who has a current GPA over 3.0. If each pizza (x) costs $5 and there is a delivery fee of $8, write a function to represent the cost of the order.
f(x) = 5x + 8
100
What two letters make up an ordered pair?
(x, y)
200
All the outputs or y-values in a function are called the _________
Range
200
Given f(x) = -3x - 6, what point on the coordinate plane corresponds to x = 2?
(2, -12)
200
Given g(x) = 2x + 8, evaluate g(-2).
g(-2) = 4
200
Betty sets up a lemonade stand and charges $2 per glass. It cost her $60 to set up the stand. Which function gives the profit, p, she makes by selling g glasses of lemonade?
The number of glasses of lemonade, g, that Betty needs to sell to make a profit, p, if the setup cost her $60 is given by the function p(g) = ?
p(g) = 2g - 60
200
When rewriting function notation, you can replace f(x) with what?
y
300
In a function, every input or x-value corresponds to how many outputs or y-values?
one
300
Given f(x) = x + 2 and a domain of {1,4} what is the range?
{3, 6}
300
Given C(x) = .5x - 6, evaluate C(12)
C(12) = 0
300
Danny's truck has a fuel tank with a capacity of 20 gallons of gas. The truck averages 17 miles per gallon of gas. The function M(g) = 17g represents the number of miles that Danny's truck travels on g gallons of gas. What domain and range are reasonable for the function?
D: 0 ≤ g ≤ 20
R: 0 ≤ M(g) ≤ 340
300
A graph of this type of function has separate points.
discrete
400
Where is the independent variable found on a graph?
the x-axis
400
Given f(x) = -2x - 2 and a domain of {0,1,2} find the range and plot the points on a coordinate plane.
(0,-2), (1,-4), (2, -6)
400
Rewrite the following equation as a function of x.
2x + y = 16
f(x) = -2x + 16
400
Ms. Hall wants to sell flags to raise money to visit historical sites. She spends $60 on supplies to make the flags. If she sells each flag for $5, how many flags will she need to sell to break even?
12 flags
400
The graph of this function makes an unbroken line.
Continuous
500
Where is the dependent variable found on a graph?
on the y-axis
500
Given f(x) = -.5x - 2 and a domain of {-2, 0, 2} find the range and plot the points on a coordinate plane.
(-2, -1), (0,-2), (2, -3)
500
Rewrite the following as a function of x.
6x + 2y = 12
f(x) = -3x + 6
500
Let a(x) be the amount of money remaining on Hillary's gift card after purchasing x apps on her phone.
How much money will Hillary have left on her gift card if she purchases 4 apps?
$45
500
What is the formula for slope?
m= y2-y1 / x2-x1