Basics of Functions

For the given relation state the domain:
(2,3), (3,4), (5,6)

• {2,4,5}
• {3,4,6}
• {3,3}
• {2,3,4,5,6}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Is the following relation a funciton:
(2,3),(4,3),(5,3),(6,3)

• yes
• no

Tags

CCSS.8.F.A.1

In a function, x is the 

• independent variable
• dependent variable
• coeifficient
• constant

Tags

CCSS.6.EE.C.9

Is this a function: 
x² + y² = 4

• yes
• no

Evaluate f(x) = x² + 3x +5 for 
f(2)

• 10
• 5
• 15
• 20

Tags

CCSS.HSF.IF.A.2

Evaluate the function f(x)= 3x + 4 for
f(-x)

• -3x + 4
• 1
• 7
• 3x + 4

Tags

CCSS.HSF.IF.A.2

Evaluate the function: f(x) = x² -2x+1 for
f(x+1)

• x²
• x² + 4x +2
• x² - 4x +2
• x² - 4x

Tags

CCSS.HSF.IF.A.2

Is this graph a function?

• yes
• no

The ____________ test is used to see if a graph is a function

• line 
• horizontal line
• vertical line
• secant line

What is the range of this relation:
(2,3), (4,6),(5,6)

• {3,6}
• {2,4,5}
• {2,3,4,5,6}
• {6}