# Math

posted by .

Given the functions f and g below, what is (f o g)(9)?
f(x) = x − 20
g(x) = (x − 1)2

• Math -

look at
http://www.jiskha.com/display.cgi?id=1274824712

• Math -

Can you explain how you did this
I will assume you meant
g(x) = (x-3)^2

(f o g)(11) = f(g(11))
= f(64)
= 64-20
= 44

## Similar Questions

1. ### Math

Given the functions f and g below, what is (f o g)(11)?
2. ### math

Given the functions f and g below, what is (f o g)(11)?
3. ### calculus

Find an equation for the surface consisting of all points P(x, y, z) equidistant from the point P(0, 1, 0) and the plane x = 3. Answer Choices: 1. y2 + z2 − 6x + 2y − 8 = 0 2. x2 + z2 + 6y − 2z − 8 = 0 3. y2 …
4. ### biology

Given the part of the molecule shown below, can the underlined atom participate in a hydrogen bond with an approriate bonding partner?

Evaluate each of the following. Show all your calculations. a) f'(3) if f(x)  = x^4 − 3x b) f' (−2) if f(x) = 2x^3 + 4x^2 − 5x + 8 c) f" (1) if f(X)  = −3x^2 − 5x + 7 …
6. ### calculus (gr 12)

Evaluate each of the following. Show all your calculations. a) f'(3) if f(x)  = x^4 − 3x b) f' (−2) if f(x) = 2x^3 + 4x^2 − 5x + 8 c) f" (1) if f(X)  = −3x^2 − 5x + 7 …
7. ### calculus (gr 12)

Evaluate each of the following. Show all your calculations. a) f'(3) if f(x)  = x^4 − 3x b) f' (−2) if f(x) = 2x^3 + 4x^2 − 5x + 8 c) f" (1) if f(X)  = −3x^2 − 5x + 7 …