exam Maths Puzzle Numerical Ability

The inventor of a new product believes that the cost of
producing the product is given by the function C(x)= 1.75x+7000

If the inventor charges $4 per unit, then her profit for

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exam Other Question
my paycheck eachweek is 500.00 if i want to save 2,000.00 dollars in one year how much should i set aside from my paycheck each week Graph the function and state the domain and range.
g(x)=x^2-2x-15