Problem 20 of 7
Given P_machine1(h)=100h and P_machine2(h)=80h+50, form and interpret (f-g)(h) for items produced by two machines.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
form (f-g)(x) and interpret sign.
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Subtraction must compare same-unit outputs and sign must have meaning.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Subtract the second output expression from the first.
2. Distribute the negative sign to all terms.
3. Interpret positive and negative values in context.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Reversed subtraction if interpretation says first minus second.