exam Maths Puzzle Numerical Ability

Could someone help me on this problem?

I need to graph the following inequality:

x <-2

Do you know how to show the graph for me?
Thanks,
Lisa

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exam Other Question

Could I please get assistance with the following problem:

Find the determinant of:
-4 0
1 3
the numbers are enclosed with vertical lines.

Thank You Is this one correct?

8*10^6

=80^6