exam Maths Puzzle Numerical Ability

What is the transformational form of the quadratic function described by the mapping rule (x,y)-- (x+2,3/4y-3) ?

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exam Other Question

Solve the inequalty. Graph the solution on a number line. 3x+5<2x-1 A total of $10,000 is invested in two funds paying 5% and 7% annual interest. The combined interest is $630. How much of the $10,000 is invested in each fund?