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3 years ago

ILL GIVE BRAINLIEST TO QUICKEST AND BEST ANSWER!

Mathematics

1 answer:

Lana71 [14]3 years ago

4 0

Answer:

A. $x^{3} + 3x^{2} +5x+3$

B. $2x^{3} -3x^{2} -5x+6$

C. $3y^{3} - 4y^{2} -11y+4$

D. $x^{2} - 2xy+y^2+x - y$

E. $3m^2-2mn-n^2+6m+2n$

F. $4x^4+4x^3+5x^2+2x+1$

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Select the correct expressions. 1 Identify each expression that represents the slope of a tangent to the curve y= * +1 at any po

Olegator [25]

The expressions which represents the slope of a tangent to the curve $y=\frac{1}{x+1}$ at any point (x, y) are:

$f'(x) =limh \rightarrow 0\frac{-h}{h(x+1)(x+h+1)}\\\\f'(x) =limh \rightarrow 0\frac{-h}{x^2h+2xh+xh^2+h^2 +1}$

<h3>The slope of a tangent to the curve.</h3>

Mathematically, the slope of a tangent line to the curve is given by this equation:

$f'(x) =limh \rightarrow 0\frac{f(x+h)-f(x)}{h}$

Given the function:

$f(x)=y=\frac{1}{x+1}$

When (x + h), we have:

$f(x+h)=y=\frac{1}{x+h+1}$

Next, we would find the derivative of f(x):

$f'(x) =limh \rightarrow 0\frac{\frac{1}{x+h+1} -\frac{1}{x+1}}{h}\\\\f'(x) =limh \rightarrow 0\frac{x+1 -(x+h+1)}{h(x+1)(x+h+1)}\\\\f'(x) =limh \rightarrow 0\frac{x+1 -x-h-1}{h(x+1)(x+h+1)}\\\\f'(x) =limh \rightarrow 0\frac{-h}{h(x+1)(x+h+1)}\\\\f'(x) =limh \rightarrow 0\frac{-h}{x^2h+2xh+xh^2+h^2 +1}\\\\f'(x) = \frac{-1}{(x+1)(x+1)} \\\\f'(x) = \frac{-1}{(x+1)^2}$

Read more on slope of a tangent here: brainly.com/question/26015157

#SPJ1

5 0

3 years ago

Find the value of x.<br><br> A. x=26.5<br> B. x=2.73<br> C. x=10.4<br> D. x=14

marishachu [46]

Answer:

Optioin 4

Step-by-step explanation:

12/8 = 15/(x-4)

12x - 48 = 120

12x = 168

x = 14

5 0

2 years ago

Simplify 7x + (x – 4)(x + 5) – 5x.

Llana [10]

7x+(x-4)(X+5)-5x
7x+(X*2+ 5x-4x-20)-5x
7x+(X*2+ x-20)-5x
X*2+3x-20

6 0

3 years ago

Read 2 more answers

If A pizza restaurant offers 9 choices of vegetarian toppings for pizza In how many ways can you choose 4 toppings

Eva8 [605]

You have to pay attention in this:
- The order doesn't matter
- No repetition
- You can not chose all available elements (just 4)
So in this case your formula must be: 9C4= 9!/(4!*(9-4)!) = 126 ways

4 0

4 years ago

Find the value of 4 2 + 6 ÷ 2.<br><br> 7<br> 11<br> 19

Luden [163]

No answer!

Step-by-step explanation:

42+6=48÷2=24

what is the answer of this question?

or the answer 45.

I can't under stand sir!

5 0

3 years ago

Read 2 more answers