What is the domain of f(x) = 5% – 7?
{x|x>-7)
{x|x<-7)
{x|x>0}
{x|x is a real number}

circumference divided by 3.141592654 then timesthe radius twice

step-by-step explanation:

circumference divided by 3.141592654 then timesthe radius twice

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

the correct option is b

step-by-step explanation: