QUESTION 3: Mr. Daily moves to a new province and has the option to either use prepaid electricity or metered electricity. He requests a comprehensive summary of the costs per kWh of electricity consumed and decides to analyse the information received. He summarizes it in the table below. Use the information to provide answers to Mr. Daily's questions below. Prepaid electricity Metered electricity A service fee of R115.20 per month is charged for metered electricity (VAT excluded). Electricity is charged at R0.80 per kWh. No service fee is charged for prepaid electricity. Electricity is charged at R1.20 per kWh. The first 100 units are free. Cost ( Prepaid elec) Cost ( Metered elec) = R1.20 × number of units used = R115.20 + R0.80 × (number of units used – free units)

QUESTION 3: Mr. Daily moves to a new province and has the option to either use prepaid electricity or metered electricity. He requests a comprehensive summary of the costs per kWh of electricity consumed and decides to analyse the information received. He summarizes it in the table below. Use the information to provide answers to Mr. Daily's questions below. Prepaid electricity Metered electricity A service fee of R115.20 per month is charged for metered electricity (VAT excluded). Electricity is charged at R0.80 per kWh. No service fee is charged for prepaid electricity. Electricity is charged at R1.20 per kWh. The first 100 units are free. Cost ( Prepaid elec) Cost ( Metered elec) = R1.20 × number of units used = R115.20 + R0.80 × (number of units used – free units)

Trigonometry (MindTap Course List)

10th Edition

ISBN:9781337278461

Author:Ron Larson

Publisher:Ron Larson

Chapter6: Topics In Analytic Geometry

Section6.4: Hyperbolas

Problem 5ECP: Repeat Example 5 when microphone A receives the sound 4 seconds before microphone B.

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