Mathematics, 13.12.2019 17:31 BarcaOsama
Sarah is driving. her distance in km from tempe after t hours of driving is given by: x = d(t) = 13 + 57t
a. determine a formula in terms of x for: t = d^-1(x)
b. compute d^-1(70)
c. in the expression d^-1(x) :
what quantity (distance or time) does the x represent?
what quantity (distance or time) does the entire d^-1(x) represent?
d. which of the following statements best describes d^-1(x)?
a) the ratio of sarah's distance from tempe (in km) to x hours of driving.
b) the reciprocal of sarah's distance from tempe (in km) after x hours of driving.
c) the number of hours of driving needed for sarah to be x km from tempe.
d) sarah's distance in km from tempe after x hours of driving.
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Sarah is driving. her distance in km from tempe after t hours of driving is given by: x = d(t) = 13...
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