Unit 5, Lesson 11
Examining Domains and Ranges
Extra Support Materials for Algebra 1
11.1
Warm-up
What do you notice? What do you wonder?
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What do you notice? What do you wonder?
Plotted points on grid. Horizontal axis, number of times sprayed, by twos. Vertical axis, number of weeds, by twenties. Points plotted at 0 comma 300, 1 comma 233, 2 comma 181, 3 comma 141, 4 comma 110, 5 comma 89, 6 comma 68, 7 comma 51, 8 comma 40, 9 comma 31, 10 comma 25, 11 comma 20, 12 comma 15, 13 comma 11, 14 comma 9, 15 comma 8, 16 comma 7, 17 comma 6, 18 comma 5, 19 comma 4, 20 comma 2.
Graph on coordinate plane. Horizontal axis, time in seconds, by twos. Vertical axis, height of ball above the ground in feet, by tens. Graph begins at origin and ends around 15 point 3 comma 0.
The graph relates the length of a side for a square and the area of the square.
Graph on the coordinate plane. Horizontal axis, side length of a square, by twos. Vertical axis, area of a square, by twos. Graph goes through the origin and increases vertically on both sides of the y axis.
The graph relates the number of students going on a field trip and the cost of the trip.
The graph represents Han’s height since he was 4 years old until now when he is 14.