The nth term of the sequence below represents the weekly cost, in dollars, of placing an advertisement of n lines in a certain newspaper.

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?

(10. in the figure, a aabc is drawn tocircumscribe a circle of radius 3 cm ,such thatthe segments bd and dc are respectively oflength 6 cm and 9 cm. find the length ofsides ab and ac.