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andrezito [222]
3 years ago
15

Inverse of f(x)=e^(3x-1)

Mathematics
1 answer:
Olegator [25]3 years ago
3 0

Answer:

f(x) = 3ex - e

Step-by-step explanation:

In this equation we have basically the times e by 3x and -1

so first let's do e times 3x

here...

e X 3x = 3ex

so let's rewrite the equation

3ex - 1

now we times e by 1. (Note - Negative sign stays)

3ex - 1e

we don't have to write 1e cause 1e = e, they are the same.

Therefore the answer is 3ex - 1e

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Answer:

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Step-by-step explanation:

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3 years ago
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What adds to 10 and multiplies to -300
Anton [14]
X+Y=10
XY=-300

Solve for one of the variables

X=10-Y

Plug into the other equation

Y(10-Y)=-300

Now, you have a quadratic...

-y²-10y+300=0

I would multiply everything by -1, so there's no coefficient on y²

y²+10y-300=0

And solve...

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----------------------------
2

Y=-5±5√(13)

Plug back onto original equation...

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Note: There are 2 sets of answers, keep the negatives with the negatives, and the positives with the positives when dealing with the ±.
8 0
4 years ago
The ratio of football players to soccer players in the room was 5 to 7. If the football and soccer players in the room totaled 4
Anika [276]
There were 20 football players in the room. Because the ratio of football players to soccer players was 5 to 7, that meant that, should the ratio represent the actual number of football players in the room, there would be 12 football players in the room. However, the ratio has to be set equal to accomodate the 48 football players, therfore the 12 hypothetical players in the room would have to be multiplied by 4 to equalize. But that also means that everything else in the ratio will have to be multiplied by 4 to truly balance the ratio. Since there were 5 out of 12 football players, and there are actually 48 football players, and 12 times 4 equals 48, then 5 times 4 should give us our actual number of football players. Finally, some basic math will tell you that because 5 times 4 equals 20, and we can say that there are actually 20 football players in the room.
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Lapatulllka [165]

Answer:

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Geometry math question
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I think that the answer is D. because 8+6=14 so yeah

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