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3 years ago

Multiply the following polynomials A. (2x+1)(3x-2) B. (x+5)(x-5) C. (4x-3)(x^2+3x+2)

Mathematics

2 answers:

Papessa [141]3 years ago

6 0

Answer:

A. $6x^{2} - x-2$

B. $x^{2} - 25$

C. $4x^{3} + 9x^{2} -x-6$

Nitella [24]3 years ago

5 0

Answer:

A. 6x^2-x-2 B. x^2-25 C. 4x^3+9x^2-x-6

Step-by-step explanation:

It would be greatly appreciated if you gave me brainlest.

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If f(x)=x^2+3x+4 which of the number choices represents (f(x+h)-f(x))/h?

Helen [10]

In case you're not already aware, the expression $\frac{f(x+h)-f(x)}h$ is called the "difference quotient" and represents the average rate of change of a function $f$ over an interval $[x,x+h]$ .

For the function $f(x)=x^2+3x+4$ , by substituting $x+h$ we get

$f(x+h)=(x+h)^2+3(x+h)+4=(x^2+2xh+h^2)+(3x+3h)+4=x^2+3x+4+(2x+3)h+h^2$

Then the difference quotient is

$\dfrac{f(x+h)-f(x)}h=\dfrac{(x^2+3x+4+(2x+3)h+h^2)-(x^2+3x+4)}h$

$=\dfrac{(2x+3)h+h^2}h=2x+3+h$

where the last equality holds as long as $h\neq0$ .

5 0

3 years ago

Can I get help on this please? I think the answer might be (A) but i'm not sure.

Alex Ar [27]

Yeah it would be A. because x approaching infinity is to the right of the graph, and since there is a horizontal asymptote at -3 then its correct

4 0

3 years ago

PLEASE HELPPPP

Illusion [34]

Answer:

p = 3/10

Step-by-step explanation:

Given equation:

20p = 6

Divide both sides by 20:

p = 6/20

Simplify:

p = 3/10

6 0

2 years ago

Read 2 more answers

The sum of twice a number and 31

Andreyy89

Answer:

Let the unknown number be x ;

$2(x) +31\\=2x+31$

Step-by-step explanation:

3 0

3 years ago

how fast would 1.5 times the faster rowing speed be? before you solve tell the number of decimal places on your answer PLZ HELP

AleksAgata [21]

How far are you rowing?

If your rowing speed is 1.5 times faster your going about 16 miles up to 2 hours in the river

Sorry if this is wrong-

~zaro~

5 0

3 years ago