Home > CCA2 > Chapter 1 > Lesson 1.1.1 > Problem 1-5
1-5.
Angelica is working with function machines. She has the two machines
In what order must she put the machines to get a final output of 5?
Try substituting
for in and then input the result into . If that does not work, switch the order. Substitute
for each . Simplify.
Substitute the output of the first function for
in the second function. The output needs to be
. Is it possible for her to get a final output of -5? If so, show how she could do that. If not, explain why not.
See above (original incorrect solution).