exam Maths Puzzle Numerical Ability

If f(2x)=(x^2)+4x+1, what are all the values of t for which f(1/2)=-11/4, where f represents a function?

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exam Other Question

Need answer to x^2 +2x +11 = (x+A)^2 + B where A and B are real numbers. What is A and what is B? Can I please get some help with this word problem?

The price of an item is given by p = 2x^2 - 100. Find the polynomial that represents the rvenue generated from the sale of x items.

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