The ordered pairs (x, y) define the relation Q. {(4,5), (-3,2), (5,5), (2, -3)}
Is Q a function?
O A. Yes, because there is exactly one x-value for every y-value.
O B. No, because there is more than one y-value for every x-value.
O C. Yes, because there is exactly one y-value for every x-value.
D. No, because there is more than one x-value for some y-values.

Solve the problem by making up an equation. a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 3 times the age of the child?

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