3 years ago

Domain of (x-5)(x+5)

Mathematics

1 answer:

soldier1979 [14.2K]3 years ago

4 0

X2 -25 that’s the answer but it’s x squared 2 if that makes sense

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Dy/dx of ln(x/x^²+1)

exis [7]

$\dfrac{dy}{dx}\ \ln\left(\dfrac{x}{x^2+1}\right)=\dfrac{1}{\frac{x}{x^2+1}}\cdot\dfrac{x'(x^2+1)-x(x^2+1)'}{(x^2+1)^2}\\\\=\dfrac{x^2+1}{x}\cdot\dfrac{1(x^2+1)-x(2x)}{(x^2+1)^2}=\dfrac{1}{x}\cdot\dfrac{x^2+1-2x^2}{x^2+1}=\dfrac{1-x^2}{x^3+x}\\\\Used:\\\\(\ln(x))'=\dfrac{1}{x}\\\\\left[f(g(x))\right]'=f'(g(x))\cdot g'(x)\\\\\left(\dfrac{f(x)}{g(x)}\right)'=\dfrac{f'(x)g(x)-f(x)g'(x)}{[g(x)]^2}$

5 0

3 years ago

Ƒ(x) = x − 9 if the domain is (3, -3, 0)

amid [387]

Answer:

f(3) = -6

f(-3) = -12

f(0) = -9

Step-by-step explanation:

Substitute each number for x.

f(3) = 3 - 9 = -6

f(-3) = -3 - 9 = -12

f(0 ) = 0 - 9 = -9

4 0

3 years ago

Read 2 more answers

Nita uses 1/3 of a carton of 12 eggs how many eggs does she use

Valentin [98]

What's 1/3 of 12?

Mulitply 1/3 times 12 = 4

Nita uses 4 eggs.

5 0

3 years ago

Round 14,883 to the underlined place value.

nalin [4]

Answer: the answer when rounded would be 15000.... BUT the 4 in 14883 would be the underlined number.

Step-by-step explanation:

I took a test with this question

8 0

4 years ago

If x is a number that is 7 more than y, how do you express x as a function of y?

Y_Kistochka [10]

Answer:

answer is e

hope.it helps

plz mark as brainliest

5 0

4 years ago