Compare the domains of the logarithmic function ƒ(x) and the square root function g(x). g(x) = squareroot of (3 +1 )+ 1

In exponential growth functions, the base of the exponent must be greater than 1,how would the function change if the base of the exponent were 1? how would the fiction change if the base of the exponent were between 0and 1

Can someone me with this problem . show your work .

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?