Home > CCA > Chapter 1 > Lesson 1.1.1 > Problem 1-4
1-4.
In what order must she put the machines to get a final output of
? Substitute
for each in the first function.
Substitute the answer of the first
equation forin the second equation.
INCORRECT! Try Again!Substitute
into the nd equation first!
Substitute the answer of thend
equation forin the 1st equation.
CORRECT!Is it possible for her to find an input that will get a final output of
? If so, show how she could do that. If not, explain why not. See above (Try 1).