exam Maths Puzzle Numerical Ability

Tutor could you help me please? The problem is: Determine whether the correspondence is a function,. 3. Domain-a set of members of a rock band; Correspondence-an instrument each p

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exam Other Question

1)Graph f(x)=(x^2 - 4)/(x - 2) using a graphing calculator. Using a standard window with the trace feature, trace the graph to x=2. What happens?

Why is there a "break" in the 4sin^2-3=0
tan2x=cotx
sinx=cosx=0
3tan^2x+4secx=-4