3 years ago

Find log 1985 to four decimal places.

1 answer:

5 0

Answer:

Your answer is 3.2977

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arlik [135]

I took a look at the picture and the right answer for this question would be A

4 0

3 years ago

daser333 [38]

2 14/16. .........................That's the answer

5 0

3 years ago

igomit [66]

The answer is x = 3.

4 0

3 years ago

Free_Kalibri [48]

The primitive function for $f(x) = 4e^{2x} + e^{-x}$ is given by it's indefinite integral.

To calculate it, recall:

$\frac{d}{dx}e^{ax}=ae^{ax}$

$\int c f(x)dx = c\int f(x)dx$

Let's begin

$\int 4e^{2x}+e^{-x}dx \\4\int e^{2x}dx+ \int e^{-x}dx\\4\frac{e^{2x}}{2}+\frac{e^{-x}}{-1} + c\\$

$F(x) = 2e^{2x}-e^{-x} +c$

To find the costant, we just need to use the fact that $F(0)=2$

$F(0) = 2 \\4e^{0}+e^{0} + c =2\\5+c =2\\c=-3$

Therefore,

$\boxed{F(x) = 2e^{2x} - e^{-x} -3 }$

6 0

3 years ago

ANEK [815]

Opening brackets gives;
4-8v=-8v+4
Putting like terms together;
4-4=-8v+8v
0=0
There is no solution thus.

3 0

3 years ago