Free Printable Operations of Functions

1.

let $f\left(x\right)=x+3\ ;\ g\left(x\right)=2x-7$
multiply the following functions

a)

= $2x^2-x-21$

b)

$=2x^2+1-21$

c)

= $x\ =\left(y-21\right)^2$

2.

Let f and g be defined as $f\left(x\right)=33y^2+16y-5\ ;\ g\left(x\right)=5y+10$
find f + g

a)

$33y^2+21y+5$

b)

$33y^2+45y+8$

c)

$49y^2+16y+10$

d)

$49y^2+21y+5$

3.

let $f\left(x\right)=-6x^2+72x+8\ ;\ g\left(x\right)=14x-2$ find f-g

a)

$-6x^3+58x+6$

b)

$-6x^2+58x+5$

c)

$-6x^2+58x+6$

d)

$-6x^2+58x+26$

4.

let $f\left(x\right)=18x^2-3x+65\ ;\ g\left(x\right)=13x-4$ find f-g

a)

$8x^2-x+16$

b)

$18x^{ }-16x+69$

c)

$36x^{ }-16x+69$

d)

$18x^2-16x+69$

5.

let $f\left(x\right)=5x+10\ ;\ \ g\left(x\right)=x^2+3x+2$ find f/g

a)

$25$

b)

$\frac{5}{x+1}$

c)

$\frac{x}{x+5}$

d)

$\frac{3}{x+6}$

6.

let f(x) = x+2 ; g(x) = $x^2+5x+4$ Find f x g

a)

$x^3+7x^2+14x+16$

b)

$x^2+7x^3+14x+8$

c)

$x^{ }+7x^{ }+14x+8$

d)

$x^3+7x^2+14x+8$

7.

let f(x)= $\frac{52x}{x+3}$ and g(x)= $\frac{6}{x+2}$

find f+g

a)

$\frac{52x^2+110x+18}{x^2+5x+6}$

b)

$\frac{x^2+110x+18}{x^2+5x+6}$

c)

$\frac{52x^2+110x+18}{x^2+5x+36}$

d)

$9$

Operations of Functions

Total questions: 7

Worksheet time: 6mins

Similar Resources on Wayground