Function Operations

Addition

100

Let f(x)=4x-1 and g(x)=2x^2+3. Then f(x)+g(x) equals what?

What is What is 2x^2 + 4x + 2

200

Let f(x)=-3x+2 and g(x)=5-x. Then f(x)+g(x) equals what?

-4x + 7

300

Let f(x)=3x+5 and g(x)=x^2. Then f(x)+g(x) equals what?

What is x^2 + 3x + 5

400

Let f(x)=3x+5 and g(x)=x^2. Then 2f(x)+3g(x) equals what?

What is 3x^2 + 6x +10

500

Let f(x)=x^2-5 and g(x)=3x+2. Then -2f(x)+g(x) equals what?

What is -2x^2 + 3x + 12

Subtraction

100

Let f(x)=4x-1 and g(x)=2x^2+3. Then f(x)-g(x) equals what?

What is -2x^2 + 4x - 4

200

Let f(x)=4x-1 and g(x)=2x^2+3. Then g(x)-f(x) equals what?

What is 2x^2 - 4x - 4

300

Let f(x)=-3x+2 and g(x)=-2x^2+9. Then f(x)-g(x) equals what?

What is 2x^2 - 3x - 7

400

Let f(x)=3x+5 and g(x)=x^2. Then f(x)-2g(x) equals what?

What is -2x^2 + 3x + 5

500

Let f(x)=2x^2+x-3 and g(x)=x-1. Then 2f(x)-3g(x) equals what?

What is 4x^2 - x - 3

Multiplication

100

Let f(x)=4x-1 and g(x)=2x^2+3. Then f(x)*g(x) equals what?

What is 8x^3 - 2x^2 + 12x - 3

200

Let f(x)=3x+5 and g(x)=x^2. Then f(x)*g(x) equals what?

What is 3x^3 + 5x^2

300

Let f(x)=2x^2+x-3 and g(x)=x-1. Then f(x)*g(x) equals what?

What is 2x^3 - x^2 - 4x +3

400

Let f(x)=x^2-5 and g(x)=3x+2. Then f(x)*g(x) equals what?

What is 3x^3 + 2x - 15x - 10

500

Let f(x)=2x^2+4x-3 and g(x)=x-3. Then f(x)*g(x) equals what?

What is 2x^3 - 2x^2 + 9x + 9

Composite Functions

100

Let f(x)=3x^2+2 and g(x)=2x. Then (f o g)(x) equals what?

What is 12x^2 + 2

200

Let f(x)=3x^2+2 and g(x)=2x. Then (g o f)(x) equals what?

What is 6x^2 + 4

300

Let f(x)=3x and g(x)=2x+4. Then (f o g)(1) equals what?

What is 18

400

Let f(x)=3x and g(x)=2x+4. Then (g o f)(2) equals what?

What is 16

500

Let f(x)=3x and g(x)=2x+4. Then (f o f)(-2) equals what?

What is -18