Suprise
Line/Curve of Best Fit
Domain and Range
100
If f(x)=15+3x, what is f(-3)?
6
100
Using your calculator find the line of best fit for these points: x:{400, 120, 300, 950} y:{8, 2, 3, 12}
y=0.012x+0.86
100
Find the domain and range. {(-3,2),(-2,4),(-1,2),(5,4)}
Domain: -3, -2, -1, 5
Range: 2,4
200
If f(x)=1/4x+5, what is f(-8)?
3
200
Using the data below, Find the line of best fit and use it to estimate y if x=5 x: {2, 4, 6, 8} y: {4, 8, 15, 16}
y=10.75
200
Find the domain and range. {(-5,8),(-5,4),(6,9),(3,10)}
Domain: {-5, 3, 6}
Range: {4, 8, 9, 10}
300
What is the vertical line test? What is it used for?
To determine if a graph is a function.
300
x: {1,2,3,4,5}
y:{52.5, 73.2, 74.6, 55.8, 16.1}
Write the equation for the curve of best fit.
y=-10.1x^2+51.4x+11
300
Find the range of the graph below 
y>=1
400
What is the equation you plug in to desmos to get a CURVE of best fit?
y1~ax1^2+bx1+c
400
x: {-3, -2, -1, 0, 1 ,2}
y:{-15, -9, -5, -3, -3, -5}
Find the equation of the curve of best fit for this table?
y=-1x^2+x-3
400
What is the domain of the graph below? 
x=1, 2, 3, 4, 5, 6
500
What are the zeroes of the function f(x)=3x^2-x-10?
-1.66 and 2
500
x: {-3, -2, -1, 0, 1 ,2}
y:{-15, -9, -5, -3, -3, -5}
Figure out what y is going to be when x is 5.
y=-23
500
What is the domain and range of the graph below?
x=-4, -2, 1, 3
y= -2, -1, 2, 3