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GrogVix [38]
4 years ago
5

Algebra 2 Will give brainiest

Mathematics
1 answer:
earnstyle [38]4 years ago
8 0
So here, you just put in the value inside the parenthesis of the function into the actual function itself.

Here, for h(f(2)), the first one to put in is the one in f, which is 2.

Since f(x) = 3*2^x, and since x here is equal to 2, (because h(f(2)), we can just put in the 2 in place of the x.

3 * 2 ^ 2

And then you get:

3 * 4 

Or 12.

So now you have

h(12)

Now do the same thing.

2 * 12 - 7

24 - 7

17
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2 expressions where the solution is 19
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Answer:

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Step-by-step explanation:


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never [62]

Answer:

f(x,y)=ln secx+cosx siny+C

Step-by-step explanation:

We are given that DE

(tanx-sinx siny)dx+cosxcosydy=0

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Compare it with Mdx+Ndy=0

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N=cosxcosy

\frac{\partial M}{\partial y}=M_y=-sinxcosy

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M=\frac{\partial f}{\partial x}=tanx-sinxsiny

Integrate w.r.t x on both sides

f(x,y)=\int(tanx-sinxsiny)dx

f(x,y)=lnsecx+cosxsiny+\phi(y)...(1)

By using the formula

\int tanxdx=lnsecx+C,\int sinxdx=-cosx+C

Differentiate partially  equation (1) w.r.t y

\frac{\partial f}{\partial y}=cosxcosy+\phi'(y)

By using the formula:

\frac{d(sinx)}{dx}=cosx

N=\frac{\partial f}{\partial y}=cosxcosy=cosxcosy+\phi'(y)

\phi'(y)=cosxcosy-cosxcosy=0

\phi'(y)=0

Integrate  w.r.t y

\phi(y)=C

Substitute the value

f(x,y)=ln secx+cosx siny+C

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64.5 million add 64100000+ 400000
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