Jamie is an obsessed shopper. On her 18th
Birthday she had 35 pairs of shoes in her
closet. Since then she buys a new pair of
shoes at a rate of 1.5 pairs every month.
Write a linear model to describe the event.
What is y=1.5x+35
100
What are the 5 types of possible correlations which can been seen in a scatterplot?
What is positive, negative, none, strong, and weak.
100
Given the function y=5x+20, make a prediction for when x=30
What is 170
100
What is the general format for an exponential function?
What is y=a*b^x
100
Generate a mapping for the following data set:
{(-1,1)(-3,3)(0,0)(2,2)}
What is (Picture)
200
Jose wants to order pizza for his friends birthday party. Because of the delivery policy at Pizza Palace, Jose has to order 2 pizzas for the delivery. He then figures out he needs 1/4 of a pizza for every person who attends. Write a linear model to describe the event.
What is y=.25x+2
200
Given R= -0.32 what type of correlation describes this event?
What is weak negative.
200
Given the following exponential function, y= 4(2.5)^x, which models the population of an endangered frog in South America. Make a prediction for how many frogs will be alive in 10 years.
What is 38146 frogs.
200
Is the following function growth or decay? F(x)=18(0.77)^x
What is decay. because 0.77<1
200
Generate a mapping for the following relation:
{(3,4)(3,6)(9,0)(5,3)(2,1)(1,5)}
What is (Picture)
300
Mrs. Alvarez has always dreamed of going skydiving! (True!) So one day I finally get to go. I take the leap and am falling through the sky... I open my parachute at 1500 ft. Once the parachute is open I float down at a rate of 50 ft/second. Write an equation to model the event
What is y=-50x+1500
300
Use your calculator function to generate a line of best fit for the following data:
x: 1, 2, 3, 4, 5, 6, 7
y: 10,22,33,39,44,64, 67
What is y=9.5x+1.86
300
Jessica has a LOT of dishes to wash tonight. Her ability to wash dishes can be modeled by y=-3x+300. (where the slope in in terms of dishes per minute). How long will it take Jessica to finish washing all 300 dishes?
What is 100 minutes or 1hr and 40minutes.
300
What is the initial value of the following function:
F(x)= 30(0.22)^x
What is 30
300
Generate a mapping for the following relation and describe it as accurately as possible:
{(1,2)(3,4)(5,6)(6,7)(2,7)}
What is Function, one-to-one
400
Kesha runs approximately 7 minute miles. Write a function to model the amount of time (y) dependent on the number of miles (x). Predict how long it will take her to run a half-marathon. (13 miles)
What is y=7x, 91 minutes
400
Describe the statement, "Correlation does NOT mean Causation."
What is (varies)
400
A population of 200 bacteria triples every day, and can be modeled by the equation F(x)=200(3)^x. How many days will it take before the population of bacteria reaches 100,000,000?
What is varies
400
What are state both the initial value, and whether the function is growth or decay for the following function.
f(x)=3(1.01)^x
What is IV=3, Growth
400
What is the definition of a function.
What is for every input there is a unique output
500
Bobby is laying flooring in his new house.
(Sadly, he isn’t very good.) He only averages
5 sq. ft. per day, but his house is 1,000 sq. ft.
Write an equation to model this event in terms
of how much flooring Bobby has left.
What is y= -5x+1000
500
Describe the correlation you think exists between the following variables:
The temperature outside, and the number of candy bars sold in Wal-Mart.
What is No correlation.
500
Given the function, F(x)=3(.5)^x, what will be the value of F(x) after 1 day?
What is 1.5
500
State the initial value, the corresponding ordered pair on the graph, and whether the function is growth or decay.
F(x)= 9(0.6)^x
What is IV- 9 @ (0,9), Decay
500
Definition of onto.
What is for every x-value there is a unique y-value.