Hello Mike! Could you please tell me, what is the answer of Question 16, Section 4, Test 3? Thank you veery much for your help and time.
The answer is , and here’s why. They’re asking you to find a value of for which . That can only happen when . So you’re looking for a place on the graph where curve and the curve are the exact same distance from the -axis.
The vertices of the graphs of and are and , respectively. In other words, when , the graphs of and are the same distances from the -axis. In other words, , , and therefore