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Part D. David, another student in the class, decides to sell hot chocolate for $ 0.75 per cup. He began to record his earnings below. The table shows how much money David earned in dollars, d, after h hours. Complete the table, make a graph(be sure to label the axes), and write an equation that represents David's sales. Table Graph Hours, h Dollars, d 40 38 3 $9 36 4 $12 5 $15 6 34 32 30 28 26 24 22 20 18 16 14 12 10 8 12 6 Equation: 2. 4 d 5 6 7 CO 9 10 11 12 13 14 15 0

Respuesta :

Given

Hot $0.75 per cup

Procedure

d = dollars

h = hours

The slope of a line is a measure of how fast the line "goes up" or "goes down".

[tex]\begin{gathered} m=\frac{12-9}{4-3} \\ m=\frac{3}{1} \\ m=3 \end{gathered}[/tex]

Equation

[tex]d=3h[/tex]

Table

h

6 -> 3(6) -> $ 18

8 -> 3(8) -> $ 24

12 -> 3(12) -> $ 36

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