No, its not. In a function, each x value has only one corresponding y value. In this relation, the x value 3 has corresponding values of both -1 and 5, which means it cant be a function.
Hey there
<span>The first step is to carefully read every single word of the question and answers,keeping in mind that the some small detail can affect the answer.
You should also pay great attention to negative words and prefixes. Words such as "un" can make your answer wrong if unread properly. If an event is "unlikely to happen," that means it is most likely an occurrence.</span>
Explanation:
The aggregate demand curve is downward sloping. It implies price levels are falling and the quantity of output will increase as well as the domestic income. The theories that can explain why the aggregate demand curve is downward sloping: the Pigou's wealth effect, the Keynes's interest-rate effect, and the and Mundell-Fleming's exchange-rate effect.
<span> An increase in the price level,So C is your answer.
Hope this helps.</span>