Find (f*g)(x) and its domain when f(x)=x^2+9 and g(x)= sqrt x+3
a. (f·g)(x)=x+12; (-[infinity],[infinity])
b. (f·g)(x)=√x^2+12; (-[infinity],[infinity])
c. (f·g)(x)=√x^2+12; [-3,[infinity])
d. (f·g)(x)=x+12; [-3,[infinity])

The expression 42 plus 57 shows how much money nate spent at a store .which expression also shows how much money nate spend

9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.