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Nenelovezero3446
26.09.2019 •
Mathematics
Donnie and tania are math tutors. the amount donnie charges for a session h hours long is represented by the function d(h) = 40h + 10. tania charges a flat fee of $30 plus $15 an hour. write a function, t(h), that represents the amount in dollars that tania charges for h hours of tutoring. graph both functions on the same coordinate grid, and label each line. compare the slopes and y-intercepts of the graphs.
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Ответ:
The graph is shown below.
Step-by-step explanation:
The amount Donnie charges for a session h hours long is represented by the function
Tania charges a flat fee of $30 plus $15 an hour. The amount in dollars that Tania charges for h hours of tutoring is represented by the function
Slope intercept form of a line is y=mx+b, where m is slope and b is y-intercept.
For Donnie:
Slope = 40 and y-intercept = 10
For Tania:
Slope = 15 and y-intercept = 30
It means slope of Donnie is greater than Tania and y-intercept of Tania is greater than Donnie.
Table of values for Donnie:
x y
0 10
1 50
2 90
Table of values for Tania:
x y
0 30
1 45
2 60
Plot these ordered pair on same coordinate plane and connect them to draw both functions.
The graph is shown below.
Ответ:
red car is answer of this question