exam Maths Puzzle Numerical Ability

What is the domain of the function of f(x)= square root of (x+1)?

What is the equation for this problem?

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exam Other Question

draw the solution graph of the following system of linear inequalities
x+2y<3
2x-3y<6
Given the function y=0.02x^2 + 1.9x - 5, complete the following table:

x / y
___________
-2 / ?
0 / ?
2 / ?
4 / ?
6 /