exam Maths Puzzle Numerical Ability

P=2x+2w for x

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exam Other Question

22x - 6(3x - 0.325) = 3x + 0.535 Hi Can I have some help evaluating this function?

Use the function to evaluate the indicated expressions and simplify.
f(x) = -2x^2 + 7

f(x + 2) =
f(x) + f(2) =