If f of x is equal to x plus 7 and g of x is equal to the fraction with numerator 1 and denominator x minus 13 , what is the domain of open paren f circ g close paren times x ?
Answer
A
start set x such that x is not equal to negative 6 end set
B
start set x such that x is not equal to 6 end set
C
start set x such that x is not equal to 13 end set
D
start set x such that x is not equal to negative 13 end set