LeannMariee LeannMariee
  • 04-03-2015
  • Mathematics
contestada

Let f(x) = x - 2 and g(x) = x2 - 7x - 9. Find f(g(-1)).

Respuesta :

konrad509
konrad509 konrad509
  • 04-03-2015
[tex]f(g(x))=x^2-7x-9-2=x^2-7x-11\\\\ f(g(-1))=(-1)^2-7\cdot(-1)-11=1+7-11=-3[/tex]
Answer Link

Otras preguntas

A pack of 9 toilet rolls costs £4.23 A pack of 4 toilet rolls costs £1.96 Which pack gives the better value for money? You must show all your working.
What is HIV and the causes
Factor completely, the expression: 2x^3-2x^2-12x
what describes the solvent in any solution
What is the solution to this system of linear equations: y-x=4 and y+2x=1 1) (-1,3) 2) (0,4) 3) (1,-1) 4) (-3,3)
what are two human uses for mosses?
would you rather be a senator or a representative member? why or why not?
In the library there are 200 books. 58 of them are non-fiction. What percentage of the books are non-fiction?
How do you do this algebra question
Put brackets in the expression below so that it's value is 45.024. 1.6 + 3.8 * 2.4 *4.2 (*= times )