Combs review 11/30

Adding functions

100

f(x)+g(x)

f(x)= 3x+7

g(x)= 6x+12

9x+19

200

(f+g)(x)

f(x)= x² +3x -4

g(x)= 2x² +12x -5

3x² +15x -9

300

f(x) +g(x)

f(x)= 3.4x+3

g(x)= 4.1x+2.2

7.5x + 5.2

400

f(x) +g(x)

f(x)= 3/4x +2

g(x)= 3/4x+ 1/2

1 1/2x + 2 1/2

500

(f+g) (x)

f(x) = 0.5x +12

g(x) = 1 1/2x +11.5

2x+23.5

Subtracting functions

100

f(x)-g(x)

f(x) = 2x+1

g(x)= x+1

x

200

f(x)-g(x)

f(x)= 3x²

^g(x)= 2x²+3x

x²-3x

300

(f-g)(x)

f(x) = 3x+15

g(x)= 2x² -2x +10

-2x² + 5x +5

400

f(x)- g(x)

f(x)= 7.2x +2.1

g(x)= 5x+1.2

2.2x +0.9

500

(f-g)(x)

f(x)= -3x+4

g(x)= 2x+6

-5x-2

Evaluating functions

100

f(x)= 2x+1 find f(2)

5

200

g(x)= 3x-14 find g(7)

7

300

h(x)= 2x+22 find h(-2)

18

400

f(x)= -3x-15 find f(-2)

-9

500

f(x)= 2.5x+ 13  find f(-2.6)

6.5

Multiplying polynomials

100

(x+3)(2x+1)

2x² _{+7x +3}

200

(x+5)(x+5)

x² _+10x+25

300

(x-3)(x+3)

x² _-9

400

(2x+13)(4x-2)

8x² _+48x-26

500

(x²_+3)(x+1)

x³_+x²_+3x+3

Wildcard

100

Which NFL team beat the Cowboys on Thanksgiving Day?

The Las Vegas Raiders

200

What is the most musical part of a turkey?

The drumstick

300

American footballs used to be made out of what type of animal skin?

pig skin

400

What is Mr. Combs' least favorite Thanksgiving food?

Anything cranberry

500

Why is 'Black Friday' black?

Red owe money black side of the ledger (before Computers) the positive side of the ledger( sales report)