Mathematics

10 July, 11:46

The Chang family is on

their way home from a

cross-country road trip.

During the trip, the

function

D (t) = 2,280 - 60t can be

used to model their

distance, in miles, from

home after t hours of

driving.

Find D (15) and interpret

the meaning in the context

of the problem.

If D (t) = 1,200, find the

value of t and interpret its

meaning in the context of

the problem.

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