Free Printable OPERATIONS ON FUNCTIONS

1.

If $f\left(x\right)\ =\ x-1$ and $g\left(x\right)=5x-2$ , then $\left(f+g\right)\left(x\right)=$

a)

$5x^2+1$

b)

$5x^2-3$

c)

$6x+1$

d)

$6x-3$

2.

If $f\left(x\right)\ =\ x-1$ and $g\left(x\right)=5x-2$ , then $\left(f-g\right)\left(x\right)=$

a)

-4x - 3

b)

-4x +1

c)

6x + 1

d)

6x - 3

3.

If $f\left(x\right)\ =\ x-1$ and $g\left(x\right)=5x-2$ , then $\left(\frac{f}{g}\right)\left(x\right)$

a)

$\frac{x-1}{5x-2}$

b)

$\frac{5x-2}{x-1}$

c)

$\frac{-1}{3}$

d)

$-3$

4.

If $f\left(x\right)\ =\ 3x^2-4$ and $g\left(x\right)=x^2-8x+4$ , then $\left(f-g\right)\left(x\right)=$

a)

$2x^2-8x-8$

b)

$2x^2+8x-8$

c)

$2x^2-8x$

d)

$2x^2+8x$

5.

If $f\left(x\right)\ =\ 3x^2-4$ and $g\left(x\right)=x^2-8x+4$ , then $\left(f\cdot g\right)\left(x\right)=$

a)

$3x^4-24x^3+8x^2+32x-16$

b)

$3x^4-8x-16$

c)

$3x^4-24x^3+8x^2-32x-16$

d)

$3x^4-24x^3+16x^2+32x-16$

6.

If $f\left(x\right)\ =\ 3x^2-4$ and $g\left(x\right)=x^2-8x+4$ , then $\left(\frac{f}{g}\right)\left(x\right)=$

a)

$\frac{3x^2-4}{x^2-8x+4}$

b)

$\frac{x^2-8x+4}{3x^2-4}$

c)

$\frac{3x^2-1}{x^2-8x}$

d)

$\frac{1}{-4x}$

7.

Find f(2) if f(x)= 3x-9

a)

0

b)

2

c)

3

d)

-3

8.

Find f(3) + g(2) if f(x)= x+2 and g(x)=5x-1

a)

2

b)

5

c)

9

d)

14

9.

Find f(3) + g(2) if f(x)= x+2 and g(x)=5x-1

(a)

10.

Find $(f-g)(2)$ if $f(x)=4x+10$ and $g(x)=3x-7$

(a)

11.

a)

A

b)

B

c)

C

d)

D

12.

a)

A

b)

B

c)

C

d)

D

13.

Find g(5)

a)

3375

b)

375

c)

25

d)

45

14.

Find f(2).

a)

-2

b)

-18

c)

24

d)

6

15.

f(x) = 2x and g(x) = 2x-7

Find (f-g)(4).

a)

0

b)

-9

c)

7

d)

-8

16.

f(x) = 2x and g(x) = 2x-7
Find (f+g)(2).

a)

-7

b)

1

c)

-1

d)

8

OPERATIONS ON FUNCTIONS

Total questions: 16

Worksheet time: 4hrs 0mins

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