A rock is thrown from one side of a river to another. The function h(t) = −16t2 + 80t + 30 gives the height in inches of the rock t seconds after it has been thrown.
What is a reasonable domain given the context of this problem?
a reasonable domain is all integers
a reasonable domain is all positive rational numbers
a reasonable domain is all positive irrational numbers
1 answer
a reasonable domain is all non-negative real numbers