exam Maths Puzzle Numerical Ability

Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now subtract your original number. State whether your numb

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Write a two-column proof.

If m<XYZ=122 and m<XYW=86,
find m<WYZ. A Daycare center chrages a $75 enrollemnt fee plus $100 per week. The function f(x)=100+75 gives the cost of daycare for x weeks. Graph this function and give its domain and range