Functions Intro Pre-Calculus

Is this graph a function or not a function? 

• Function
• Not a Function

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1

Evaluate the function for the given inputs.
For f(x) = -2x + 4,
find f(-5)

• f(-5) = -6
• f(-5) = -3
• f(-5) = 14
• f(-5) = 2

Tags

CCSS.HSF.IF.A.2

What is the range of the graph?

• [1,4]

• (1,5)

• [1,5]

• [1,5)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain of the graph?

• [1,4]

• (1,4)

• [1,5]

• [1,4)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Evaluate f(-2) if f(x) = x²+ 3

• -1
• 1
• 7
• -7

Tags

CCSS.HSF.IF.A.2

• x²+x+9
• x²-x+9
• x²-x
• x²-x+18

Tags

CCSS.HSF-BF.A.1B

• all real numbers except -5 and 5
• all real numbers except -5 and 4
• all real numbers except -4 and 5
• all real numbers except -4 and -5

A relation that pairs each input with exactly one output is a

• congruence.

• similarity.

• function.

• mathematical equation.

Tags

CCSS.8.F.A.1