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?
sas