Why is it important to describe the variable in an expression?
2 answers:
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Answer: The X intercepts are 5 and -3/2
Option A is correct.
If we evaluate the function at , i.e. at the beginning, we have
with each minute, you multiply the current number of cell by 2, so they double every minute.
Option B is incorrect, because if the number of cells increases by 2 every minute, the function would be
Option C is incorrect, because after one minute (i.e. when x=1) we have
cells, so 75 is not the number of cells after one minute
Option D is incorrect in both the initial value and the behaviour of the function