Using Function Notation
Inverse Functions
One-to-One Functions
Domain and Range of Functions
Operations on Functions
100

f(x)=2x-2

Find f(7). 

=12

100

What is the domain and range of the inverse function of:  

Domain: {3, 5, 7, 9, 11}

Range: {1, 2, 3, 4, 5}

100

True or False: f(x)=x2+4x+3 is a one-to-one function. 

False 

100

What is the domain and range of the function?


Range: [0, ∞ )

Domain: (-∞ , ∞ )

100

Given: f(x)=x2-6x-27 and g(x)=x-9, Find (f-g)(x).

(f-g)(x)=x2-7x-18

200

If f(x)= 3x2-12

Find f(-4). 

36

200

Will the inverse of this function also be a function? Why or why not?

No, the inverse will not be a function because there will be an input with multiple outputs. 

200

How would you restrict the domain of the function to make it a one-to-one function. 


f(x)=x2

Domain: [0, ∞]

Range: [0, ∞]

200

CC

what is the domain and range of the table?


domain: [1,5]

range: [3,11]

200

Given: f(x)=x2-5x-24 and g(x)=x-8, Find (fg)(5).

(fg)(5)=72

300

    What is (f -1+f)(-1)?

-4

300

If f(5) = -8, what point must lie on the graph of this function's inverse?

(-8, 5)

300

True or false. The following relation is not a one-to-one function. 


False! 

300

What is the domain and range of y=-3x+4?

All Real Numbers

300

Given: f(x)=-1-5x2 and g(x)=12, find the value of (f+g)(-3/5). 

(f+g)(-3/5)=46/5

400

  Given f(x)=2x2+3x-12 and g(x)=x-5, find f(g(x)). 


f(g(x))=2x2-17x+23

400

Given f(x) = (2/3)x-2

Find f⁻¹(2).

f⁻¹(2) = 6

400

Find the inverse of the function: 

f(x)=|2x+4|-3

f-1(x)= (x+1)/(-2)

400

Which of the following values of x would not be in the function y = √(x+6)

a.) -4

b.) -7

c.) 4

d.) -6

b.) -7

400

Given: f(x)=x2+6x+9 and g(x)=x2-9, Find (g/f)(x).

(g/f)(x)= (x-3)/(x+3)

500

Find f(g(x)) when f(x) = x2 and g(x) = (x+2)/(x-3). 

(x+2)2/(x-3)2

500

Given g(x) = (x+3)/(x-2)

Find the inverse when x=4.

11/3

500

Find the inverse of the function: 

f(x)=2(x-4)2+6

Restrict the domain to make it one-to-one. 

f-1(x)=\sqrt((x-6)/2)+4

Domain: [6, ∞]

Range: [4, ∞]

500

What value of x would not be in the domain of the function defined by f(x)=(x+4)/(x-4). 

x=4

500

Given the table: Find f-1(g(-5))

x          f(x)          g(x)

-3          8            -18

7         -12         -12

8         -13          0

-5        -20         -3

-16       -3          7

f-1(g(-5))=-16

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