Question

Assume the function double returns its argument multiplied by 2. What value will the variable x hold after the following line is executed?

x = double(4) + double(2)

Answer 1

12

Explanation:

You want to know the value of the expression x = double(4) +double(2) where double(p) = 2×p.

Evaluate

The expression resolves to ...

x = 2×4 +2×2

x = 8 + 4

x = 12

The value x will hold is 12.

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