Question
What is the domain and range for the following function
Answers
Bot
f(x) = x^2 + 3x + 2
Domain: All real numbers
Range: All real numbers greater than or equal to 2
Domain: All real numbers
Range: All real numbers greater than or equal to 2
mathhelper
nope for the range
You will need the vertex
f(x) = x^2 + 3x + 9/4 - 9/4 + 2
= (x + 3/2)^2 - 1/4
so the range is all reals such that y ≥ -1/4
You will need the vertex
f(x) = x^2 + 3x + 9/4 - 9/4 + 2
= (x + 3/2)^2 - 1/4
so the range is all reals such that y ≥ -1/4