Algebra 2
posted by Annie .
Amelia is documenting the height of sunflower plants each week. She has determined the function to be f(x) = 3x + 3, where x represents time and f(x) represents the height of the plant. Which of the following options describes the restrictions to the domain (x) and range f(x) correctly?
A range values greater than or equal to 3
B range values greater than 1
C range values less than 1
D range values less than or equal to 3
I think it is A because you cannot have negative length so B and C cancel. Also, for 0 weeks when plugged in you get y=3. Therefore, it will increase from 3. I believe it is A, but no sure.

correct
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