Someone help me please

What is the solution to the inequality

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

Given the statements, "a square root of 16 is 4," and "a square root of 9 is -3," complete the following blanks with the correct truth-values. p is and q is , so the statement, "a square root of 16 is 4 or a square root of 9 is -3" is .