exam Maths Puzzle Numerical Ability

Graph the feasible region for each system of inequalities
2x-y<1
3x+y<6

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exam Other Question

A diagram shows a belt tightly stretched over two wheels with radii 5cm and 25cm. The distance between the centers of the wheels is 40cm. Find the length of the belt. ...... Help w Hi Can I have some help with this piecewise function?

Evaluate the piecewise defined function at the indicated values.
f(x)={(-5 text(if ) x<=3, x + 3 text(if ) x>3)

f(-4) =