Absolute Value
Piecewise Function
Bivariate and Univariate Data
Solve for X
Random
100
The absolute value bars will always make the number inside of its bars positive.
True or false.
True
100
When writing an absolute value function as piecewise, it's important to recall we need to do something to the top equation. What do we need to do?
Make it the opposite.
100
A correlation coefficient of -.89 tells us what?
Strong / Weak - Positive / negative
A strong, negative correlation.
100
2x+4=20
x=8
100
What's my favorite sport?
Pickleball
200
What is the absolute value of 3 - 7?
4
200
Evaluate x = 3
x = -7
200
As ice cream sales go up, drownings go up. Is it accurate to say that ice cream causes drownings?
No, it's correlated not causated.
200
4(x-3)=40
x = 13
200
How old am I?
29
300
evaluate
-2|x-7|+8, x=5
4
300
Evaluate x = 7
x = 91
300
We learned how to model bivariate data using a scatterplot. For univariate date, we learned how to create bar graphs, dot plots, box plots, and what else?
Histograms
300
6x-8=4x+18
x = 13
300
What's the proper spelling of my last name?
Bageris
400
2. A basin depth, in meters, is modeled by.
h(t) = -|t - 10| + 20.
What is the water depth at hour t = 5?
15 meters
400
What's the domain for this piecewise function?
(-infinity , 10]
400
When adding a point outside the data set, what will happen to the standard deviation?
It will get larger.
400
If a hotel charges you a $50 deposit and $75 a night, how long can you stay if you have $350?
4 nights.
400
Name one of my nephews.
JJ or Benji
500
What is the domain and range of this absolute value function? h(t) = -|t - 6| + 15.
Domain: (-infinity , +infinity)
Range: (-infinity , 15]
500
A piecewise function can only have 2 sub-functions.
True or false?
False
500
A perfect, positive correlation for bivariate data has what correlation coefficient?
r =1
500
2(x-4)+5=-3(-x-2)-5
x = -4
500
Solve
20+42 xx (35*0)/(99*x^5)+47
67