All categories

2 years ago

If f(x) = -x-2, what is /(x)?

Mathematics

1 answer:

Snowcat [4.5K]2 years ago

7 0

9514 1404 393

Answer:

(a)

Step-by-step explanation:

To find the inverse function, solve ...

x = f(y)

$x = f(y)\\\\x=\dfrac{1}{9}y-2\\\\x+2=\dfrac{1}{9}y\\\\9(x+2)=y\\\\y=9x+18\\\\\boxed{f^{-1}(x)=9x+18}$

You might be interested in

I don’t get this work I can’t solve it

Darina [25.2K]

Answer:

Step-by-step explanation:

-7+1+ -1 * -6

Using PEMDAS, we multiply and divide first

-1*-6 = 6

Then we add and subtract from left to right

-7+1+ 6

-6+6 =0

3 0

2 years ago

Read 2 more answers

PLEASE HELP ITS DUE REALLY SOON!!!

oksian1 [2.3K]

Answer:

-(5x-21)/6 so d

Step-by-step explanation:

to do inverse functions you want to replace the x in the function with y so x=(21-6y)/5, then solve for y and you will get the answer I got and its d

8 0

2 years ago

the number of hours,h, it takes to wash c numbers of cars at a school fundraiser is inversely proportional to the number of stud

Alex787 [66]

$\bf \qquad \qquad \textit{inverse proportional variation}
\\\\
\textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad y=\cfrac{k}{x}\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\stackrel{\textit{\underline{h}ours to wash a car, is inversely proportional to \underline{s}tudents working on it}}{h=\cfrac{k}{s}}$

3 0

2 years ago

this is a shorthand way of writing very large or very small numbers in which the number is expressed as a number between 1 and 1

Flauer [41]

Answer:

function

Step-by-step explanation:

3 0

3 years ago

A company produces two types of solar panels per year: x thousand of type A and y thousand of type B. The revenue and cost equat

jolli1 [7]

Answer:

7000 type A
6000 type B

Step-by-step explanation:

We assume your equations are intended to be ...

$C(x,y)=x^2-2xy+9y^2+3x-87y-6\\R(x,y)=5x+7y$

Then the profit equation is ...

$P(x,y)=R(x,y)-C(x,y)=5x+7y-x^2+2xy-9y^2-3x+87y+6\\=-x^2+2xy-9y^2+2x+94y+6$

The partial derivatives of profit with respect to x and y are zero when profit is maximized.

∂P/∂x = 0 = -2x +2y +2

∂P/∂y = 0 = 2x -18y +94

Simplifying, these equations are ...

y = x -1
x -9y = -47

Substituting the first into the second gives ...

x -9(x -1) = -47

-8x = -56

x = 7

y = 7 -1 = 6

The company will maximize profit by selling 7000 panels of type A and 6000 panels of type B.

5 0

3 years ago