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Shtirlitz [24]
3 years ago
14

Find the inverse function of h(x) = -2/3x + 6.

Mathematics
2 answers:
Rom4ik [11]3 years ago
8 0

<u>Answer:</u>

x=-\frac{3}{2} x+9

<u>Step-by-step explanation:</u>

We are given the following function and we are to find the inverse of this function:

h(x) = - \frac { 2 } { 3 } x + 6

For that, we will put the function equal to another variable y and make x the subject of the function.

y = - \frac { 2 } { 3 } x + 6

Making x the subject:

y-6=-\frac{2}{3} x

3(y-6)=-2x

\frac{3y-18}{-2} =x

x=-\frac{3}{2} x+9

Therefore, the inverse h'(x) = x=-\frac{3}{2} x+9.

nalin [4]3 years ago
3 0

Answer:

h^{-1}(x)=-\frac{3}{2}x+9

Step-by-step explanation:

To find inverse of a function, follow the steps below:

1. replace h(x) with y

2. Interchange x and y

3. Solve for the new y

4. Replace y to h^{-1}(x) (this is the inverse function)

<u>Step 1:</u> y = -2/3x+6

<u>Step 2:</u> x = -2/3y+6

<u>Step 3:</u>

x=-\frac{2}{3}y+6\\\frac{2}{3}y=-x+6\\y=\frac{-x}{\frac{2}{3}}+\frac{6}{\frac{2}{3}}\\y=-\frac{3}{2}x+9

<u>Step 4:</u>

y=-\frac{3}{2}x+9\\h^{-1}(x)=-\frac{3}{2}x+9

This is the inverse function.

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\bold{\boxed{\huge{\blue{\underline{Answer }}}}}

\bold{\underline{ Given :- }}

\sf{The\: population\: is\: decreased \:by\: 10 percent  }

\sf{There\: were \: only \: 1800 \: people \: left}

\bold{\underline{ To\: Find :- }}

\sf{we \: have \: to \: find\: original \: population? }

\bold{\underline{ Let's \: Begin :- }}

\sf{Let \: the \: total \:  population\: be \: x }

\sf{\underline{ Therefore }}

\sf{According \: to \: the \: question }

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\sf{ 100x - 10/100 = 1800}

\sf{ 100x - 10 = 1800 × 100}

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\sf{ 100x = 180000 + 10}

\sf{ x = 180010/100}

\sf{ x = 1800.1 }

\bold{\pink{Hence , The\: original \:population \:of \: the\: village \:is \:1800.1 }}

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