Find (f g)(x) when f (x) = x2 +8x+15 and g (x)= 5 2 -9 (1 point) o (f g) (x) = 5x + 25 x - 3 o (f g) ( x) = 4 5 x4+16x3+94x2+240x+216 o (f . 8) (x)=. 5x + 25 x +3 o (f . g)(x)= 25 40 + -+15 x# - 18x +81 x2- 9Determine the domain of ( x) when f (x) = - and g (x) = Vx+8. X (1 point) O (-00, -8] O [-8,00) O (-8,0) (0,00) O (-00, -8)1 (-8, 0)1 (0,00)1 Determine the domain and range for the inverse of f (x) = + 2. 4x (1 point) domain: (00, 0) range: (2,00) domain: (-00. 2)u(2. 00) range: (0053) Um\") Use the image to answer the question. Which function, r or s, is the inverse function for function q? (1 point) the function r because the graphs of q and r are symmetrical about the yaxis the function r because the graphs of q and r are symmetrical about the liney = x the function 3 because the graphs of q and s are symmetrical about the liney = x neither function Determine the domain of the function f ( x) = 5x + 23x +12 (1 point) O (-00 , 4 ) W/ - 4- 5 1 0/- 3.00 O ( -00 , -4 ) W - 5.00 O (-00, 00) O (-00, -4 ) U - ,00"t Use the graph of the function to answer the question. Is this function one-to-one? Explain how you determined your answer. (4 points) Find ( fog) (x) and its domain when f (x) = x +2 and g(x) = Vx+5. (1 point) O (fog) (x) = Vx2 +7;[-5,00) o (fog)(x) = x+7;[-5,00) o (fog)(x) = x+7;(-00,00) O (fog) (x) = Vx+7;(-00,00)