What is the domain and range of this function?

f(x) = log ˯5(x-2) +1

a. domain: x> -2; range; all positive real numbers.

b. domain: x> 2; range: all positive real numbers

c. domain: x> -2; range: all real numbers

d. domain; x> 2; range: all real numbers

As for the domain, the only restriction comes from the logarithm. The argument of a logarith must be strictly positive, so we have

As for the range, we have:

wholesale price is the initial price before markup. retail price comes after the markup.

a price of 8 bucks that's marked up by 100%   is

formula: initial price + (percent markup in fraction/decimal)(initial price)

8+(1)(8)

8+8

16

retail price is $16.