What if f(5) if f(1) = 3.2 and f(x+1) = 5/2 (f(x))

Find the domain of the following expression: 1/(√x)-2

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x