McGraw Hill Glencoe Algebra 1, 2012
MH
McGraw Hill Glencoe Algebra 1, 2012 View details
Standardized Test Practice

Exercise 2 Page 70

To determine which of the sentences best describes the end behavior, we have to understand what it means to say that and are increasing or decreasing.

  • An increasing value of means that we are moving to the right on the coordinate plane. This means that the values are getting bigger.
  • A decreasing value of means that we are moving to the left on the coordinate plane. This means that the values are getting smaller.
  • An increasing value of means that the graph is moving upwards on the coordinate plane. Therefore, the values are getting bigger.
  • A decreasing value of means that the graph is moving downwards on the coordinate plane. Therefore, the values are getting smaller.

Now, let's look at the given graph. Pay close attention to the behavior of the variable when is increasing.

Looking at the rightmost side of the function, we can see that as is increasing, the values are decreasing. This behavior matches statements H and J. To determine which of these choices is correct, let's look at the behavior of as is decreasing.

This time we need to look at the leftmost side of the function. As is decreasing, the values are increasing. Therefore, we disregard choice J. The correct choice is H.