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Let f (t) be the number of ducks in a lake t years after 1990. a. What does the statement f (6) = 28 mean? In 1996, there were 28 ducks in the lake. In 28 years, there will be 6 ducks in the lake. There will be 28 ducks in the lake 6 years from now. In 1996, there were 28 more ducks than in 1990. b. What does the statement f (18) = 38 mean? There will be 38 ducks in the lake 18 years from now. In the year 2008, there were 38 ducks in the lake. In 38 years, there will be 18 ducks in the lake. Every 18 years, there are 38 more ducks in the lake.\fDoes the relation represent a function? K X 5 10 10 4 2 10 Yes, because the output values are distinct Yes, because the input values are distinct No, because the input value 10 corresponds to two different output values Yes, because each input value corresponds to exactly one output value No, because there are distinct input values that correspond to the same output value