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antoniya [11.8K]
3 years ago
6

Find the inverse of the function f(x) = 5/6x +10

Mathematics
1 answer:
UkoKoshka [18]3 years ago
4 0

Answer:

\displaystyle f^{-1}(x)=\frac{6x-60}{5}

Step-by-step explanation:

<u>Inverse function</u>

Given the function

\displaystyle f(x)=\frac{5}{6}x+10

We find its inverse following the procedure below:

  • Set y=f(x)

\displaystyle y=\frac{5}{6}x+10

  • Multiply by 6:

6y=5x+60

  • Operate:

5x=6y-60

  • Solve for x:

\displaystyle x=\frac{6y-60}{5}

  • Swap variables:

\displaystyle y=\frac{6x-60}{5}

  • Make the new y the inverse function:

\boxed{\displaystyle f^{-1}(x)=\frac{6x-60}{5}}

This is the inverse function

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How do I solve this?
Furkat [3]
To compute the value of investment in 5 years. We use compounded annually equation. And add 2000 Yearly to the compounded value

A = P * (1 + (r/n))^(n*t)

A<span> = total amount  = Unknown</span>
P<span> = principal or amount of money deposited, = 2000 usd</span>
r<span> = annual interest rate  = 2.25%</span>
n<span> = number of times compounded per year = 1</span>
t<span> = time in years = 5
</span>
Solution 
Year1 : A1 = 2000 * (1 +(0.025/1))^(1*1) = 2045
Year2 : A2 = (2000+2045)*(1 +(0.025/1))^(1*1) = <span>4136.01
Year3 : A3 = (2000+</span>4136.01))*(1 +(0.025/1))^(1*1) = <span>6274.07 
Year4 : A4 = </span>(2000+6274.07 ))*(1 +(0.025/1))^(1*1) = <span>8460.24 
Year5 : A5 = </span>(2000+8460.24 ))*(1 +(0.025/1))^(1*1) = 1<span>0695.6 </span>
8 0
4 years ago
You are assigned a computer generated 4-digit password to access your new voice mail account. If the
lara [203]

Answer:

5,040 different passwords are possible

Step-by-step explanation:

Assuming that 4-digit means using only numeric values.

This is a permutations problem.

n = number of values used with number values only this is 10

r = the number used in each case without repeating in this case 4

nPr = n! / (n - r)!

nPr = 10! / (10-4)!

nPr = 10! / 6!

The ! means factorial. For example 4! = 4 x 3 x 2 x 1 = 24

A quick hack for dividing factorials is to use cancelling.

10! / 6! = 10 x 9 x 8 x 7 (because 6 to 1 are cancelled by 6!)

= 5040

5 0
4 years ago
What is the correct justification for the first step in solving this
Bas_tet [7]

The correct justification for the first step in solving the provided equation is that the first step should be distributive Property

<h3>What is the property of equality?</h3>

Property of equality says that by performing any mathematical operation, of both sides of a expression does not change the original value of the equation.

The equation given in the problem is,

3(x - 4) + 1 = 12x

To solve the above equation, we need to open the brackets of the equation. To do this, we need to use the distributive property of the equality.

This can be done by multiplying the number 3 inside the bracket (x-4). This operation simplify the equation, to solve it further. Therefore,

3x - 3\times4 + 1 = 12x\\3x - 12 + 1 = 12x

Hence, the correct justification for the first step in solving the provided equation is that the first step should be distributive Property.

Learn more about the property of equality here;

brainly.com/question/1601404

4 0
3 years ago
Read 2 more answers
H(x)=|8x+8| Find functions f and g so that f of g = H
Stolb23 [73]

<span>f(x) = x^3 </span>
<span>g(x) = 1+x^2 </span>

<span>Therefore: </span>
<span>H(x) = f[g(x)] = (1+x^2)^3 </span>
5 0
4 years ago
Which expressions are equivalent to the equation
Ivahew [28]

Answer:

The correct answer is option 3

2⁻¹⁰ and 1/1024

Step-by-step explanation:

Points to remember

1). ( xᵃ)ᵇ = xᵇ

2).  x⁻ᵃ = 1/xᵃ

It is given that, (2⁵)⁻²

<u>To find the equivalent of (2⁵)⁻²</u>

(2⁵)⁻² =  2⁻¹⁰

<u>To find the value of 2⁻¹⁰</u>

2⁻¹⁰ = 1/2¹⁰

2¹⁰ = 1024

1/2¹⁰ = 1/1024

Therefore the correct answer is 3rd option

2⁻¹⁰ and 1/1024

5 0
3 years ago
Read 2 more answers
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