exam Maths Puzzle Numerical Ability

Please help me and could you please show the graphs THANKS a million

1) Solve the following equations.
a) sqrd x - 1 = 3
Answer:

Show work in this space.




b)s

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exam Other Question
give a counterexample that demonstrates that the converse of the statement is false:
If Terry lives in Tampa, then she lives in Florida. How do I simplify this 1/x - 1/b over 1/xb + 1/2