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Marianna [84]
1 year ago
12

Which represents the inverse of the function f(x) = 4x?

Mathematics
1 answer:
vampirchik [111]1 year ago
8 0

Answer: f^{-1}(x)=\frac{x}{4}

Step-by-step explanation:

Let f(y)=x.

x=4y\\\\y=\frac{x}{4}\\\\\therefore f^{-1}(x)=\frac{x}{4}

You might be interested in
Find missing measure
Margaret [11]

Answer:

60°

Step-by-step explanation:

360 - ( 80+115+10) = 60°

8 0
3 years ago
Lucy has two star systems left to visit on her voyage, but her ship is running low on fuel. The first system, KA-77, is 12001200
-Dominant- [34]

Answer:

 1348 light years.    

Step-by-step explanation:

Please find the attachment.

Let x represent the distance between KA-7 and KA-11.

We have been given that the first system, KA-7, is 1200 light years away while the second system, KA-11, is 1700 light years away. Lucy sees an angle of 52 degrees between KA-7 and KA-11.

We can see from our attachment that Lucy, KA-7 and KA-11 forms a triangle and we will use law of cosines to solve for x.  

(AB)^2=(AC)^2+(BC)^2-2(AC)(BC)*cos (C)

Upon substituting our given values in above formula we will get,

x^2=1200^2+1700^2-2*1200*1700*cos (52^o)  

x^2=1440000+2890000-4080000*0.615661475

x^2=4330000-2511898.81933008

x^2=1818101.18066992

Let us take square root of both sides of our equation.

x=\sqrt{1818101.18066992}

x=1348.3698234\approx 1348

Therefore, KA-7 and KA-11 are approximately 1348 light years apart.

6 0
2 years ago
PLEASE HELP ASAP!!!! 15 POINTS! AND I WILL GIVE BRAINLIEST!!!!
pochemuha

Answer:

9

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Can I get help on this please? I think the answer might be (A) but i'm not sure.
Alex Ar [27]
Yeah it would be A. because x approaching infinity is to the right of the graph, and since there is a horizontal asymptote at -3 then its correct

4 0
3 years ago
Y MORE THAN 4 is -36 translate for me please into math symbols then solve problem (list steps)
Sphinxa [80]
y + 4 = -36

Subtract 4 both sides.

y = -40

Check solution. 

-40 + 4 = -36

This is correct.

You're welcome. 
Observe below please. 
4 0
3 years ago
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