What is 39.5 percent written as fraction in simplist form

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

The equation represents the function f, and the graph represents the function g. f(x)=3(5/2)^x determine the relationship between the growth factors of f and g. a. the growth factor of g is twice the growth factor of f. b. the growth factor of f is twice the growth factor of g. c. the growth factor of f is 2.5 times the growth factor of g. d. the growth factor of f is the same as the growth factor of g.

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5