7. (3 points) A company predicted that their sales for the month of October woul

Question

7. (3 points) A company predicted that their sales for the month of October would be $120,000. Their actual sales for the month of October were $130,000. What was the relative error in their prediction? (express the answer as a percent) 13010 bo : 12?2'10 20 You are purchasing a new car and want to consider its value as a function of the number of years that you will own it. You pay $32,000 for the car and expect its value to decrease at a constant rate of $3000 each year 8. a (Ipoint) Identify the input variable. Years b. (I point) Identify the output variable. exfest vealue re c. (Ipoint) write a linear function in symbolic form. S -200D d. (lpoint) What is the practical meaning ofthe slope?T r -at -112 - e. (2 points)What is the practical meaning of the vertical intercep?rs vertical Mtercepe is The Keats that o

Explanation / Answer

7) Relative error =[ (Actual - Predicted) / Actual ] * 100

= [(130000-120000)/130000] * 100

= 7.69%

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