Evaluating Functions

Evaluating Functions

Multiple Choice

I am on the X axis and I am the input

• Domain

• Range

• Neither

• Both

Multiple Choice

I am on the Y axis and I am the output

• Domain

• Range

• Neither

• Both

Poll

When do you have your favorite teachers class

• 1

• 2

• 3

• 4

Multiple Choice

I am on the Y axis and I am the input

• Domain

• Range

• Neither

• Both

Poll

When do you have your least favorite teachers class

• 1

• 2

• 3

• 4

Rule of Function

Connection between two sets
Whenn you see the

 $f\left(x\right)\ it\ is\ said\ F\ of\ X$  

This means that you can put what is in the ( ) on the righ side of the =

Multiple Choice

if f(2) what is the way you would plug in these numbers

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

•  $2\left(2\right)+2−3\left(2\right)+1$  

•  $2\left(2\right)^2-2−3\left(2\right)+1$  

•  $2\left(2\right)^2−3\left(2\right)+1$  

• $$2x^{2^{}}-3x+1$$  

Multiple Choice

 $2\left(2\right)^2−3\left(2\right)+1$  

• 2-1

• 5

• 7

• 3

Rule of Function

Connection between two sets
Whenn you see the

 $f\left(x\right)\ it\ is\ said\ F\ of\ X$  

This means that you can put what is in the ( ) on the righ side of the =

Multiple Choice

f(x)=x+3

f(x) = -5

• -2

• -1

• -8

• 7

Multiple Choice

f(x)=4x+5
f(4)=

• 21
• -11
• -31
• 25

Rule of Function

Connection between two sets
Whenn you see the

 $f\left(x\right)\ it\ is\ said\ F\ of\ X$  

This means that you can put what is in the ( ) on the righ side of the =

Multiple Choice

Evaluate f(-5) if f(x) = -2x - 12

• -22
• -2
• -19
• -5

Multiple Choice

Evaluate y = 7x when x = -5

• -35
• 35
• 2
• 75

Multiple Choice

Evaluate y = x + 5 when y = 10.

• 8
• 2
• 9
• 5

Multiple Choice

Evaluate y = 4x - 1 when y = 19.

• 39
• 41
• 5
• 38

Rule of Function

Connection between two sets
Whenn you see the

 $f\left(x\right)\ it\ is\ said\ F\ of\ X$  

This means that you can put what is in the ( ) on the righ side of the =

Multiple Choice

Evaluate y = 7x when x = -5

• -35
• 35
• 2
• 75

Multiple Choice

f(x) = 3x² - 11
Find f(-5)

• f(-5) = 64
• f(-5) = -86
• f(-5) = 214
• f(-5) = -7

Multiple Choice

g(x) = 11 - x
Find g(x) = -7 

• 4
• 17
• 18
• -77

Multiple Choice

f(x)=-x+3
f(x) = 7

• -4
• -6
• 3
• 13

Multiple Choice

Evaluate f(t)=-2t²+ 1 for f(2)

• 9
  
• 17
• -17
• -7