exam Maths Puzzle Numerical Ability

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

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exam Other Question

One of two supplementary angles is 4 degree more than one-third of the other angle. find the measure of each angle. Decide all values of B in the following equations that will give one or more real number solutions.

3x squared + bx - 3 = 0
5x squared + bx + 1 = 0
-3x squared + bx - 3 = 0