Question

Find the result when the following numbers are fed into the machine:(1)123 (2) -72​

Answer 1

SOLUTION

TO DETERMINE

The result when the following numbers are fed into the machine

(1) 123

(2) - 72

CONCEPT TO BE IMPLEMENTED

When a positive integer is fed into the number crunching machine then below results are the output

Output : 1

If the integer fed in is EVEN, the machine divides the number by 2.

Output : 2

If the integer fed in is ODD, the machine subtracts one from the number.

Output : 3

If a negative integer is fed into the number crunching machine, it produces its additive inverse.

EVALUATION

(1) Here the given number is 123

Now 123 is odd integer

According to the above result the machine subtracts one from the number.

Hence the required result

= 123 - 1

= 122

(2) Here the given number = - 72

- 72 is a negative integer

According to the above the machine produces its additive inverse.

Hence the required result = 72

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Answer 2

Answer:

$y4 \sqrt[ + 62]{?}$