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Sergeu [11.5K]
3 years ago
12

Work out inverse function y=8x

Mathematics
1 answer:
Papessa [141]3 years ago
8 0

Answer:

\frac{x}{8}

Step-by-step explanation:

When solving inverse functions, switch the x and y's:

x=8y

Then solve for y: (divide 8 on both sides)

\frac{x}{8}=y\\

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The expression for the income of an amusement park is given, where x is the entry price: 96. - 4c? Aside from free entry, what e
Svet_ta [14]

The income of the amusement park is a function of the price of the ticket

The entry price that will result in no income is $24

<h3>How to determine the entry price that results in no income</h3>

The expression for the income is given as:

96x - 4x^2

When the income is 0, we have the following equation

96x - 4x^2 = 0

Factor out 4x

4x(24 - x) = 0

Split the equation

4x = 0 or 24 - x = 0

Solve for x

x = 0 or x = 24

This means that, the entry price that will result in no income is $24

Read more about income and expenses at:

brainly.com/question/13628349

6 0
2 years ago
The length of a rectangular box is 2 units less than its width.
AveGali [126]
15 units = length times length minus 2 Length = 5 Width = 2 Perimeter = 16 15 = y * (y -2) Y = 5 5*2 + 3*2 = 16
5 0
3 years ago
Mr.bradley has 304 students that he needs to seperate into 15 groups for a feild trip . what is the approximate number of studen
viva [34]

Answer:

20.25    

Step-by-step explanation:

304/15=20.25

5 0
3 years ago
Jameel Alharbi deposited $1,500 in a savings account that earns 5% compounded quarterly. He made no other deposits or withdrawal
Vikki [24]

Answer:

The amount in the account at the end of the 2nd quarter is $1537.73 ⇒ 2nd answer

Step-by-step explanation:

* Lets revise the compound interest

- Compound interest can be calculated using the formula

 A = P (1 + r/n)^(nt)

Where:

• A = the future value of the investment, including interest

• P = the principal investment amount (the initial amount)

• r = the annual interest rate (decimal)

• n = the number of times that interest is compounded per unit t

• t = the time the money is invested for

* Now lets solve the problem

# P = $1500

# r = 5/100 = 0.05

# n = 4 ⇒ quarterly compound

# t = 1/2 ⇒ two quarters means 1/2 year

∴ A = 1500(1 + 0.05/4)^(4 × 1/2) = $1537.73

* The amount in the account at the end of the 2nd quarter is $1537.73

3 0
4 years ago
If f(x)=x³+x+1 and g(x)=-x, find (f°g)(x) and (g°f)(x).<br> (f°g)(x)=
andreev551 [17]

The value of (f· g)(x) from the given functions is -x^4-x^2-x.

The given functions are f(x)=x³+x+1 and g(x)=-x.

<h3>What is the function?</h3>

Functions are the fundamental part of the calculus in mathematics. The functions are the special types of relations. A function in math is visualized as a rule, which gives a unique output for every input x.

Here,

(f·g)(x)= f(x) × g(x)

= (x³+x+1) × (-x)

= -x^4-x^2-x

(g·f)(x)= g(x) × f(x)

= (-x) × (x³+x+1)

= -x^4-x^2-x

Therefore, the value of (f· g)(x) from the given functions is -x^4-x^2-x.

To learn more about the function visit:

brainly.com/question/28303908.

#SPJ1

3 0
1 year ago
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