F(x)=5-2x and g(x)=5x+2x . prove that f-1(x)+g-1(x)=0 for all values x

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

With number 11 ( show how you got the answer)

Which equation is true? i. 56 ÷ 4·7 = 82 ÷ (11 + 5) ii. (24 ÷ 8 + 2)3 = (42 + 9)2 neither i nor ii ii only i and ii i only