Question 1
DB question no.: 1
Points: 1
Given f(x) = 3x2 + 7x and g(x) = 2x2 - x - 1, find (f + g)(x).
Explanation
To find (f+g)(x), add the corresponding terms: (3x2 + 7x) + (2x2 - x - 1) = (3x2 + 2x2) + (7x - x) - 1 = 5x2 + 6x - 1.