Free Printable Function

1.

f(x) = 4x – 7. Find value of f(-3).

a)

-13

b)

-17

c)

-19

d)

-23

2.

$f\left(x\right)=2x^2+5x.\ Find\ f\left(-3\right)$

a)

3

b)

5

c)

-5

d)

7

3.

If $f\left(x\right)\ =2x^2-3x$ , find value of x so that $f\left(x\right)=14.$

a)

$x=-2\ or\ x=\ -\frac{7}{2}$

b)

$x=\frac{5}{2\ }\ or\ x=\ -2$

c)

$x=\frac{7}{2}\ or\ x\ =-2$

d)

$x=-7\ or\ x=2$

4.

If f(x)= $\frac{4x-3}{3},\$ find x so that f(x)=3

a)

x=2

b)

x=-1

c)

x=3

d)

x=4

5.

f(x) = 2x-3 and g(x) = 3-7x. Find x so that f(x) = g(x).

a)

x=3/2

b)

x=2

c)

x=2/3

d)

x= -2

6.

f(x)= $\frac{2}{x+3}$ and g(x)= $\frac{4}{3x+1}$ . Find x so that f(x)=g(x).

a)

x=3

b)

x=4

c)

x=5

d)

x=7

7.

f(x)= $\left(x+2\right)^2$ and g(x)= $\frac{1}{x-4}$ . Find the value of fg(2).

a)

9/2

b)

9/4

c)

11/2

d)

11/4

8.

f(x) = $x^2-3$ and g(x) = $2-x$ . Find x value so that fg(x) = 22.

a)

x = 5 or x= -3

b)

x = -7/3 or x = 3

c)

x = -4 or x = 5

d)

x = 7 or x = -3

9.

Find inverse of a function f(x) = $\left(2x-3\right)^2$ .

a)

$f^{-1}\left(x\right)=\sqrt[]{x}+3$

b)

$f^{-1}\left(x\right)=\frac{\sqrt[]{x}+3}{2}$

c)

$f^{-1}\left(x\right)=\frac{\sqrt[]{x}+2}{3}$

d)

$f^{-1}\left(x\right)=\frac{\sqrt[]{x}-3}{2}$

10.

f(x) = 4x - 5 . Find x value so that f(x) = $f^{-1}\left(x\right).$

a)

-5/2

b)

5/3

c)

-5/4

d)

5/7

11.

What is the volume of the smaller object?

a)

240 ml

b)

250 ml

c)

270 ml

d)

320 ml

12.

Find the surface area of the smaller cylinder if the surface area of the bigger cylinder is $27\ ft^2$ .

a)

3 $ft^2$

b)

12 $ft^2$

c)

15 $ft^2$

d)

21 $ft^2$

Function

Total questions: 12

Worksheet time: 29mins

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