Inverse Review

Are these functions inverses?

• Yes
• No

Are these functions inverses?

• Yes
• No

Are these inverse functions?

• No
• Yes
• No way to tell

What is the domain of the given relation:
{(-1, 2),(3, 5),(-5,7)}

• {2, 5, 7}
• {1, 2, 3, 5, -5, 7}
• The domain is not given.
• {-1, 3, -5}

What is the range of the given relation?

• {1, 4, 5, 8}
• {-9, -5, 1, 7}
• {-9, -5, 1, 7, 4, 5, 8}
• {4, 5, 8}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

True or false?
Domain means y-axis and Range means x-axis?

• True
• False
• Maybe
• I don't know

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Find the inverse of f(x) = -4x - 12

• f^-1(x) = 4x - 3
• f^-1(x) = -1/4x - 3
• f^-1(x) = 1/4x + 3
• f^-1(x) = -4x - 3

Find the inverse of f(x) = x/2 +1

• 2(x-1)
• 1/x +1
• 2/(x+1)
• 2/x +1

Tags

CCSS.HSF-BF.B.4A

Find the inverse of f(x) = 3x +8

• f^-1(x) = 3x - 8/3
• f^-1(x) = 8/3x - 1/3
• f^-1(x) = 1/3x - 8/3
• f^-1(x) = 1/3x + 8/3

Find the inverse of f(x) = 3x - 1

• (x+1)/3
• 3/(x+1)
• 1/(-x-3)
• 4/(-x+3) -1

Tags

CCSS.HSF-BF.B.4A