exam Maths Puzzle Numerical Ability

I am really confused at the following question. I am not sure how to even start. Please help :)

Please create a linear equation based on the following numbers and please graph

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exam Other Question

Can I have some help with functions?

If g(x) = x^2 + 4x with x ≥ -2, find g ^-1(-3) How do you work these problems? I have no Idea where to start! Help!

Solve and graph the solution:

-12 is greater than or equal to 24x