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nordsb [41]
3 years ago
10

Please help! i promise ill give brainliest, tysm

Mathematics
2 answers:
Mars2501 [29]3 years ago
7 0

Answer:

f(x) = x(x-1)

Step-by-step explanation:

The easy way to do this is to look at it graphically. an inverse function is reflected across the line y=x. f(x)=x(x-1) is an upward opening parabola when reflected, there are two y-values for all positive values of x. A function can only have one y for every x.

Vaselesa [24]3 years ago
3 0

Answer:

2nd to the left

Step-by-step explanation:

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Gorilla
harina [27]
The answer is true hopefully this helped
8 0
4 years ago
Please help me answer this question
stealth61 [152]

The value of dy/dx for the functions are

(i) \frac{dy}{dx} = 4x^{2}sin2x.cos2x+ 2x. sin^{2}2x

(ii) \frac{dy}{dx} =\frac{- y(1+3x^{2})}{2x(1+x^{2}) }

<h3>Differentiation</h3>

From the question, we are to determine dy/dx for the given functions

(i) x^{2} sin^{2}2x

Let u = x^{2}

and

v = sin^{2} 2x

Also,

Let w=  sin2x

∴ v = w^{2}

First, we will determine \frac{dv}{dx}

Using the Chain rule
\frac{dv}{dx} = \frac{dv}{dw}.\frac{dw}{dx}

v = w^{2}

∴ \frac{dv}{dw} =2w

Also,

w=  sin2x

∴ \frac{dw}{dx} =2cos2x

Thus,

\frac{dv}{dx} = 2w \times 2cos2x

\frac{dv}{dx} = 2sin2x \times 2cos2x

\frac{dv}{dx} = 4sin2x . cos2x

Now, using the product rule

\frac{dy}{dx} = u\frac{dv}{dx} +  v\frac{du}{dx}

From above

u = x^{2}

∴ \frac{du}{dx}=2x

Now,

\frac{dy}{dx} = x^{2} (4sin2x.cos2x)+  sin^{2}2x (2x)

\frac{dy}{dx} = 4x^{2}sin2x.cos2x+ 2x. sin^{2}2x

(ii) xy^{2}+y^{2}x^{3} +2=0

Then,

x.2y\frac{dy}{dx}+ y^{2}(1)+y^{2}.3x^{2} + x^{3}.2y\frac{dy}{dx} +0=0

2xy\frac{dy}{dx}+ y^{2}+3x^{2}y^{2} + 2x^{3}y\frac{dy}{dx} =0

2xy\frac{dy}{dx}+2x^{3}y\frac{dy}{dx} =-  y^{2}-3x^{2}y^{2}

\frac{dy}{dx} (2xy+2x^{3}y)=-  y^{2}(1+3x^{2})

\frac{dy}{dx} =\frac{- y^{2}(1+3x^{2})}{2xy+2x^{3}y}

\frac{dy}{dx} =\frac{- y^{2}(1+3x^{2})}{2xy(1+x^{2}) }

\frac{dy}{dx} =\frac{- y(1+3x^{2})}{2x(1+x^{2}) }

Hence, the value of dy/dx for the functions are

(i) \frac{dy}{dx} = 4x^{2}sin2x.cos2x+ 2x. sin^{2}2x

(ii) \frac{dy}{dx} =\frac{- y(1+3x^{2})}{2x(1+x^{2}) }

Learn more on Differentiation here: brainly.com/question/24024883

#SPJ1

8 0
2 years ago
Find the LCM of 25 and 35.<br> (asap plz)
goldenfox [79]

25:5=5\\5:5=1\\\\25=\boxed{5}\cdot5\\\\35:5=7\\7:7=1\\\\35=\boxed{5}\cdot7\\\\LCM(25,\ 35)=\boxed{5}\cdot5\cdot7=175

Other method:

The multiples of 25: 0, 25, 50, 75, 100, 125, 150, 175, 200, ...

The multiples of 35: 0, 35, 70, 105, 140, 175, 210, ...

Answer: LCM(25, 35) = 175

6 0
4 years ago
A company can lease a set of 50 iPads for $650/month, with an up-front payment of $1000. What will be the total cost for a three
deff fn [24]
“The answer would be 24,400” you do 12•3=36•650+1,000=24,400
5 0
3 years ago
Read 2 more answers
Three times the sum of a number and four is equal to five times the number, decreased by two
vodka [1.7K]
Answer is x=2 bacause u just jave to listen. this is the equation . 3x+4=5x-2. solve
4 0
4 years ago
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