exam Maths Puzzle Numerical Ability

I do not know if my question belongs in this category. But it deals with inverse functions.

The function is f(x) =

1
----------------------
x^3 + 12x^2 + 48x + 4

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exam Other Question
Suppose 500 megabyte memory cards have been discounted by 20%. If the reduced price of the card is $13.60 then what was the original price before the discount. Please help solve I am very confused with this problem.

A student opens a book to 2 facing pages. The product of the page number is 1056. Find the page numbers.
1st page is
2nd page is

Thanks.