Gregor is documenting the height of pea plants each week. He has determined the function to be f(x) = 2x + 1.

Based on the situation above, describe any necessary restrictions to the domain and range. Provide justification for the restrictions.

Question

Gregor is documenting the height of pea plants each week. He has determined the function to be f(x) = 2x + 1.

Based on the situation above, describe any necessary restrictions to the domain and range. Provide justification for the restrictions.

perl · Answer

If x stands for time in number of weeks, does it make sense for x to be negative ?

anonymous · Answer

no

ageta · Answer

Now that Osako mentioned it, the range cannot be less than 0. Therefore x(domain) cannot be anything that would make f(x) less than 0