a) Here is a number machine. Input n + 2 × 3 Output Write down an expression for the output when the input is n. b) Here is another number machine. Input x Output 4x + 5 What operations should go in the boxes to make it work?

          a)
Here is a number machine.
Input
n
+ 2
× 3
Output
Write down an expression for the output when the input is n.
b) Here is another number machine.
Input
x
Output
4x + 5
What operations should go in the boxes to make it work?

Added by Lorena S.

Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

Instant Answer

Solved by Expert Khushbu Rani

Step 1

So, when the input is n, the output will be 3 times n, which can be written as: $$3n$$ b) The given number machine takes an input, performs some operations, and gives the output as 4x + 5. We need to find the operations that go in the boxes. Let's assume the Show more…

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'The question is down below a) Here is a number machine Input Output 2 x 3 Write down an expression for the output when the input is n. b) Here is another number machine_ Input Output 4x + 5 What operations should go in the boxes to make it work?'