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Maths Puzzle
Numerical Ability
having trouble creating a graph that shows two variables of a persons progression of their guitar playing skills. Please help.
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Let f(x) = 2x + 1 and g(x) = x^2 - 4 and find the following:
(fg)(x)
(g of f)(x)
2 investments made produce an annual income of $4200.amount invested at 14% is $6000 less tha amount invested at 10%. find amount invested at 14%