6.3 Practice A
Use the graph or table to write a linear function that relates y to x.
1.
2.
2
B
4
5
4
3
2
1
2
o
O
3.
x-1
0 1 2
0-3 -6
x-10-50 5
y -2 -1 0 1
y 3
Cost, y
5. The table shows the cost y (in dollars) of x fluid Ounces of brewed coffee.
a. Which variable is independent?
Fluid Ounces, x 08 1624
dependent?
0 0.51 1.5
b. Write a linear function that relates y to x.
Interpret the slope
C. Graph the linear function
d. How much does it cost to purchase 32 fluid ounces of brewed coffee?