Choose the one alternative that best completes the statement or answers the question.
-Sarita needs to drive 350 mi. After having driven x miles, the distance remaining r(x) (in mi) is given by r(x) = 350 - x. Evaluate r(250) and interpret the meaning.
A) $r ( 250 ) = 250$; Sarita has traveled 250 miles.
B) $r ( 250 ) = 100$; Sarita still has 100 miles remaining.
C) $r ( 250 ) = 100$; Sarita has traveled 100 miles.
D) $r ( 250 ) = 250$; Sarita still has 250 miles remaining.

Question

Choose the one alternative that best completes the statement or answers the question.
-Sarita needs to drive 350 mi. After having driven x miles, the distance remaining r(x) (in mi) is given by r(x) = 350 - x. Evaluate r(250) and interpret the meaning. 
A) $r ( 250 ) = 250$; Sarita has traveled 250 miles.
B) $r ( 250 ) = 100$; Sarita still has 100 miles remaining.
C) $r ( 250 ) = 100$; Sarita has traveled 100 miles.
D) $r ( 250 ) = 250$; Sarita still has 250 miles remaining.

Quizplus · Accepted Answer

Evaluating r(250) gives 350 - 250 = 100, meaning Sarita has 100 miles remaining to travel.

Choose the One Alternative That Best Completes the Statement or Answers