exam Maths Puzzle Numerical Ability

Can I have some help with functions?

If g(x) = x^2 + 4x with x ≥ -2, find g ^-1(-3)

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exam Other Question

A map has a scale of 1 centimeter : 8 Kilometers.Use the given actual distance to find the distance on the map.

30. 4 km

Any help with this equation would be Greatly</b> appreciated.No answers from solver91311 please :) 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