Imagine that you have a loan and the interest rate on the loan doubles. You wish to keep the same amortization period, but should you double the payment? Justify your reasoning with examples.

For a read-a-thon, jay and odhràn each started reading a book at the same time and continued reading for several hours. jay's book had 278 pages, and he read 55 pages per hour. odhràn's book had 238 pages, and he read 45 pages per hour. after how many hours did they have the same number of pages left, and how many pages were left?

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Which graph corresponds to the function f(x) = x2 + 4x – 1?