Is it a function?
Evaluation Station
Great Interpretations
Inequality Review
Properties of Exponents Review
Solving Equations Review
100
Is it a function? How do you know?
No! This does not pass the vertical line test.
100
Let f(x)=2x+1
Find f(-2)
What is - 3
f(-2)=2(-2)+1=-3
100
Let f(x)=x+3.
What does f(2) represent in words?
The value of function f when x=2
domain, independent variable
100
Correctly Graph the inequality
x > 5
See Graphs
100
simplify:
x^15/x^12
x^3
100
Solve the equation
-3x = 57
x = -19
200
Is it a function? Why?
Yes! Every input leads to exactly ONE output
200
Hawley's Bicycle World rentals rents bicycles by the hour. Where "c" is the cost per "h" hours in c(h) = 8.50 + 5.25h. The 8.50 represents what?
What is the base amount, flat rate/fee or initial to rent a bicycle in addition to 5.25?
Beginning fee, Constant
200
Morgan has $12. Suppose the function f(x) = 1.5x + 7 represents the cost to rent x video games each month. How many more dollars will Morgan need to rent 8 video games next month?
What is 7?
200
Write an inequality that represents the scenario below:
"Mr. Williams needs at least 3 coffees to be a kind person."
x >= 3
200
Simplify:
(3xy)^5
3^5x^5y^5
200
What number do you cancel first to solve the following equation? What operation do you use?
5x - 9 = 16
cancel the -9
using addition!
300
Which relation is a function? Why?
Relation 2 is a function. Every input is mapped to exactly one output. This is not the case in Relation 1 or 3.
300
Anthony is researching rabbit populations. If "P" represents the size of the population at any time (t), what is the domain of the functions?
a. All integers
b. All non negative integers
c. All non negative rational numbers
What is All non negative integers
300
c(x)=70x - 10 represents the cost of a ticket to a rock concert. How many tickets can you buy with $200?
3 tickets
300
Write an inequality that represents the following scenario:
All numbers between -3 and 15
-3 < x < 15
300
Simplify:
(xy^4)^10
x^10y^40
300
What do you do first to solve the following equation?
2(x + 5) - 15 = 45
Distribute!
400
A function g consists of the ordered pairs
{(0,0),(7,2),(8,2),(3,1),(9,8),(5,5),(2,3),(1,3)}
Is g a function? Why?
YES! Even though the x value 7 is listed twice- it leads to the SAME output of 2. repeating an ordered pair is bad notation, but 7 does not lead to more than one output.
400
k(t) = 15(t-12). What is the value of the function when t = 10?
k(10) = -30
400
Mark is training for a race. The equation f(x) = 6(x + 3) + 2x represents the number of miles Mark runs during any given training week (x). When f(4) what is y?
y = 50
f(4) = 50
400
Write AND graph an inequality that represents the following scenario:
"The temperature at the ski hill needs to be greater than 5 degrees F AND less than 32 degrees F
5 < x < 32
see graph
400
Simplify:
(4xyz)*(-2xy^5z^10)
-8x^2y^6z^11
400
Solve the following equation:
5x - 1 = 79
x = 16
500
A function f consists of the ordered pairs {(0,1),(2,3), (4,5),(6,7),(8,9)}.
Add an ordered pair to the set that makes this relation NOT a function.
Various responses: some x value should be used twice leading to two different y values.
500
if L(x) = 2x + 3 find the value of x when L(x)= 83
What is x = 40
500
f(6) = 12 represents what?
What is input of 6 and output of 12.
What is domain of 6 and range of 12
500
Solve the following double inequality
102 < x - 5 < 250
107 < x < 255
500
Completely simplify the following:
y^-10
1/y^10
500
Solve the following equation
3(x - 2) + 5 = 23
x = 8