3 years ago

Solve the given system using elimination.

1 answer:

sdas [7]3 years ago

5 0

(r,s)=(2,-1)
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larisa86 [58]

If $f^{-1}(x)$ is the inverse of

$f(x) = \dfrac23x+9$

then

$f\left(f^{-1}(x)\right) = \dfrac23f^{-1}(x) + 9 = x$

Solve for $f^{-1}(x)$ :

$\dfrac23f^{-1}(x)+9 = x \\\\ \dfrac23f^{-1}(x) = x-9 \\\\ f^{-1}(x) = \dfrac32(x-9) = \dfrac32x-\dfrac{27}2$

which makes D the correct answer.

6 0

2 years ago

algol [13]

A = l²

A = 7.2²

A = 51.84

51.84 inches

7 0

2 years ago

valkas [14]

Answer:

I belive it would be D

Step-by-step explanation:

8 0

2 years ago

3241004551 [841]

Answer:

Step-by-step explanation:

= > - 3 ( 2b - 7 )

= > - 6b + 21

<h3>Hope it helps you!</h3>

6 0

2 years ago

Marizza181 [45]

Answer:

What can I do for you

Step-by-step explanation:

4 0

2 years ago