كويز تفاعلي: Inverse Relations and Functions

A

yes

B

no

A

yes

B

no

A

yes

B

no

A

yes

B

no

A

yes

B

no

A

yes

B

no

A

yes

B

no

A

(2, 3)

B

(1, 4)

C

(4, -1)

A

{-7, -2, -1, 1, 4}

B

{-6, -3, -2, 0, 3}

C

{-3, 0, 2, 3, 6}

D

{-4, -1, 1, 2, 7}

A

{-5, 1, 3, 4}

B

{-4, -3, -1, 5}

C

{-4, -2, 0, 7}

D

{-7, 0, 2, 4}

A

false

B

true

A

false

B

true

A

D: [3, ∞)
R: (-∞, ∞)

B

D: (-∞, ∞)
R: [3, ∞)

A

f^-1(x) = x²

B

f^-1(x) = ±√x

C

f^-1(x) = -x²

D

It doesn't have an inverse.

A

Switch x and y

B

Flip the signs on all the x-values

C

Flip the signs on all the y-values

D

Do nothing