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2 years ago

Please answer! What's the inverse of f(x) = 3x^3 - 4?

Mathematics

1 answer:

Ket [755]2 years ago

8 0

Answer:

C i know this for a fact

Step-by-step explanation:

hope this helps ''whole lotta love'' NUNU

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Can anyone help me please

natita [175]

To find $f^{-1} (x)$ , you can switch the x and the y(which is f(x)).

So instead of $f(x)=\frac{-7}{4x-5}$ , it will be:

$x = \frac{-7}{4y-5}$

Now you need to find "y".

You first multiply (4y - 5) on both sides

$x(4y - 5) = -7$

Next divide "x" on both sides

$4y - 5 = \frac{-7}{x}$

Add 5 on both sides

$4y = \frac{-7}{x} +5$

Divide 4 on both sides to get "y" by itself

$y = \frac{7}{4x} +\frac{5}{4}$

$f^{-1} = \frac{7}{4x} +\frac{5 }{4}$

8 0

2 years ago

15−x+y=14−(−x−y) help plz

Inga [223]

Answer:

$x=0.5$

$y=anything$

Step-by-step explanation:

15−x+y=14−(−x−y)

15-x+y=14+x+y

Subtract 14 from both sides

1-x+y=x+y

Subtract y from both sides

1-x=x

Add x to both sides

1=2x

2x=1

Divide both sides by 2

x=0.5

4 0

2 years ago

ASAP WILL GIVE BRANLIEST !!!!!!!!!

Darina [25.2K]

Answer:

6 $\sqrt{5}$ -4 $\sqrt{7}$

Step-by-step explanation:

3 $\sqrt{5} -2\sqrt{7} +3\sqrt{5} -\sqrt{28}\\6\sqrt{5}-2\sqrt{7} -2\sqrt{7} \\6\sqrt{5}-4\sqrt{7}\\=2.8334$

3 0

2 years ago

Read 2 more answers

Help in geometry?????

blagie [28]

D because there are 8 outcomes

3 0

3 years ago

Read 2 more answers

A store sells almonds for $7 per pound, cashews for $10 per pound, and walnuts for $12 per pound. A customer buys 12 pounds of m

shepuryov [24]

Answer:

Step-by-step explanation:

I did it on edge 2021

5 0

1 year ago