Question

Given the equation 2Square root of x minus 5 = 2, solve for x and identify if it is an extraneous solution.

Answer 1

Answer:

x=196

Step-by-step explanation:

In order to solve this you just have to clear X fro the equation and solve:

$2\sqrt{x} - 5=2\\ 2\sqrt{x}=2+5\\\sqrt{x}=7*2\\x=14^2\\x=196$Once you´ve calculated this you have the solution for the equation, that is x.

It is not an extraneous solution.

Answer 2

For what values of b is f(x) = b^x an increasing function? 

A.Any real number 
B.b > 0 
C.b > 1 
D.0< b <1