Richard's Heating and Cooling in Prescott, Arizona, charges $55 per hour plus a $30 service charge. Let
Question:
a. Find the equation that expresses y in terms of x.
b. Determine b0 and b1.
c. Construct a table similar to Table 14.1 on page 620 for the x-values 0.5, 1, and 2.25 hours.
d. Draw the graph of the equation that you determined in part (a) by plotting the points from part (c) and connecting them with a line.
e. Apply the graph from part (d) to estimate visually the cost of a job that takes 1.75 hours. Then calculate that cost exactly by using the equation from part (a).
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Step by Step Answer:
a y 30 55x b b 0 30 b 1 55 c Time hrs X Cost Y 05 3...View the full answer
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