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PGCPS BEI Next K 2 GRADE 7 MATHEMATICS / GRADE 7 MATHEMATICS 1 2 OF 20
The graph shows the number of hours Kira used her cell phone for the previous month.
Cell Phone Usage
у
60
56
52
48
44
40
36
tal Hours
32

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?