A school needs to buy new notebook and desktop computers for its computer lab. The notebook computers cost $225 each, and the de
1 answer:
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Answer:
y = 18.1x ; and y = 18x
Explanation:
The rate of change in Relationship B can be found by using the formula for slope:
Using the first two points, we have
We know that Relationship A has a lesser rate than this. The choices given for Relationship A are written in slope-intercept form, y=mx+b, where m is the slope and b is the y-intercept (in this case b = 0).
The slope of the first equation is 18.1; this is less than 18.25.
The slope of the second equation is 18.6; this is greater than 18.25.
The slope of the third equation is 18.3; this is greater than 18.25.
The slope of the fourth equation is 18; this is less than 18.25.
Let's see what's the domain and range for the given function ~
or
Because domain = all values of x between its maximum (4) and minimum (-5) value [ including them ]
or
Because range = all values of y between its maximum (9) and minimum (-4) value [ including them ]