Question 5
This question has two parts. First, answer Part A Then, answer Part B.
Part A
DRIVING A speedometer measures the speed of a vehicle. Federal standards require that speedometer readings have a maximum margin of
error of 5%. Suppose a car travelling 65 miles per hour has a speedometer with a 5% margin of error,
Part A
Which absolute value inequality represents the range of speeds at which the car may actually be travelling?
OA) [x - 51 3 65
OB) x - 65<3. 25
OC)|x - 65 S 3. 25
OD) | -3. 25 65
Part B
Part B
What is the range of speeds at which the car may actually be travelling?
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