7.7 exit A2

for (x, y), the inverse is

• (-x, -y)

• (x, -y)

• (y, x)

• (-y, x)

If f is a one-to-one function, then the inverse of f is

• one-to-one function

• converse function

• quadratic function

• all

the inverse of function f is a function if and only if

• f is a one-to-one function

• f is a converse function

• f is a quadratic function

• f is a relation

The inverse of relation R={(4,4), (6,4), (5,1), (5,3)}

• {(4,4), (4,6), (1,5), (5, 3)}

• {(4,4), (6, 4), (5, 1), (3,5)}

• {(1,5), (3, 5), (1, 5), (5, 3)}

• {(4,4), (4, 6), (1, 5), (3, 5)}

Find the inverse of
f(x) = 1/4x - 7

• f^-1(x) = 4x + 7
• f^-1(x) = -4x + 28
• f^-1(x) = -4x - 7
• f^-1(x) = 4x + 28

Tags

CCSS.HSF-BF.B.4A

Find the inverse of the function
f(x) = 3x − 5

• f^-1(x)=3x +5
• f^-1(x)=(x+5)/3
• f^-1(x)=3y-5
• f^-1(x)=3y+5

Tags

CCSS.HSF-BF.B.4A

What does it mean to find the inverse of a function?

• the x's and y's are switched
• the x's and y's are divided by 2
• the x's and y's are made negative
• the x's and y's are the same

Tags

CCSS.HSF-BF.B.4A

If f(x)=x+5, what is f^-1(x)?

• (x + 5)²

• x - 5

• (x + 5)^-1

• undefined

Tags

CCSS.HSF-BF.B.4A

If f(x)=3x, what is f^-1(x)?

• x/3

• 3x²

• 3x + 3x

• 3x^-1

Tags

CCSS.HSF-BF.B.4A