Given f (x) = 3-1 and g(x) = x² + 2. Elijah was asked to find f (g(x)). He showed the following work:
Line 1: ſ (g(x)) = f (x + 2)
Line 2:
7
3(x2+2)
Line 3:
7
3x2+6
This answer is incorrect. Answer the following questions:
A. On which line did Elijah make a mistake? Justify your answer. (5
points)
B. Now show the correct way to solve this problem, showing all work
like Elijah did above. (5 points)