COMPOSITION OF FUNCTIONS

(f + g)(x)(f - g)(x)

100

f(x) = 2x  g(x) = 3

(f + g)(x)=?

What is (f+g) = 2x +3.

200

f(x) = 13x   g(x) = 4x 

(f-g) = ?

What is (f-g) = 9x.

300

f(x) = 8x + 2   g(x) = 2x

(f-g)(x) = ?

What is (f-g)(x)=6x+2.

400

f(x) = 4x + 5   g(x) = 2x + 8 

(f+g)(-2)=?

What is 1.

500

f(x) = x² + 5x +3   g(x) = 3x² - 10 

(f+g)(1.1) = ?

What is 3.34

f(g(x))g(f(x))

100

f(x) = 3x   g(x) = 4x 

f(g(x))= ?

What is f(g(x)) = 12x

200

f(x) = -2x-1  g(x) = 5x 

g(f(x))= ?

What is g(f(x)) = -10x-5.

300

f(x) = 3x  g(x) = 2x + 5 

f(g(-1))= ?

What is 9.

400

f(x) = 9x g(x) = 5x + 2 

(f o g o f)(0)= ?

What is 18.

500

f(x) = 4x + 3  g(x) = 2x + 1 

(g o (f - g))(x)= ?

What is 4x+5.

(f*g)(x)(f/g)(x)

100

f(x) = 4x   g(x) = 2x 

(f * g)(x) = ?

What is (f * g)(x) = 8x²

200

f(x) = 4x⁶   g(x) = -2x² 

(f/g)(x) = ?

What is (f/g)(x) = -2x⁴.

300

f(x) = 3x + 5   g(x) = 2x + 6 

(f*g) = ?

What is (f*g)(x) = 6x² +25x + 25.

400

f(x) = 25x² + 5x   g(x) = 5x 

(f/g)(x) = ?

What is (f/g)(x) = 5x + 1.

500

f(x) = x² + 5x +2   g(x) = 3x +2 

(f*g)(-0.5)=?

What is -0.125.