Unit 2 Review Function - Alg I

True or False.

f(x) = 2x -5, f(2)=-1

• True

• False

True or False.

f(x) = x²+8, F(-2) = 12

• True

• False

True or False.

f(x) = x²,

f(-4) = f(4)

• True

• False

True or False.

f(x) = -3x +1,

f(4)> f(3)

• True

• False

According to the following table, determine which value of x would result in the table being a function.

• x= -2

• x= 0

• x = 1

• x = 3

According the expression 200( 1.10)^x where the initial balance in Sarah's account was $200. By what percent does the account increase annually?

• 1.10%

• 90%

• 10%

• 1%

Determine the range.

• All Real Numbers

• $y\le-1$
  

• $y\ge4$
  

• 
  

  $y\le4$

Determine the domain.

• All Real Numbers

• $y\ge-1$

• $y\le-1$

• $y\le4$

• Function
• Not a Function

Tags

CCSS.8.F.A.1

CCSS.8.F.A.2

CCSS.8.F.B.5

Is this mapping a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1