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Svet_ta [14]
3 years ago
7

Can someone could explain the part of simplifying rational expressions where it is x is not equal to a number. I've had a hard t

ime understanding how to get that answer. The picture is an example in my notes.

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
3 0

Answer:

yeah it is bcoz if x is -1 then x+1 will be

-1+1 which is 0 and ur whole equation will say

now thats a lot of damage

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Express the polynomial below by nesting. f(x)=4x³+3x²+2x-4​
BabaBlast [244]

Answer:

f(x)=4x^{3} +3x^{2} +2x-4 can be expressed in nested form as ((4x+3)x+2)x-4

Step-by-step explanation:

Considering the polynomial

f(x)=4x^{3} +3x^{2} +2x-4

Expressing the polynomial by nesting

So,

f(x)=4x^{3} +3x^{2} +2x-4

Step 1) Writing down the coefficient and one factor of x from the first term and add on the coefficient of the next term.

4x+3

Step 2) Enclose this term in brackets, multiply by x and add on the next coefficient.

(4x+3)x+2

Step 3) Repeating the previous step until all terms are within the equation.

So,

((4x+3)x+2)x-4

Therefore, f(x)=4x^{3} +3x^{2} +2x-4 can be expressed in nested form as ((4x+3)x+2)x-4

<em>Keywords:</em><em> polynomial, nesting form</em>

<em>Learn more polynomials from brainly.com/question/12240569</em>

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4 0
4 years ago
an octagon has sides that all have a length of y. Write a simplified algebraic expression for the perimeter of the octagon in te
padilas [110]

Answer = 8y

Step-by-step explanation:

if an octagon has 8 sides and each side is = to y then the total side length in the primiter is = to 8sides times y or 8y

5 0
3 years ago
Which properties are present in a table that represents an exponential function in the form y=bx
Bas_tet [7]

Answer:

y-intercept (0,1)

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Step-by-step explanation:

If a table represents an exponential function of the form  y=b^x, then the y-value that corresponds to x=0 is 1.

In other words, the y-intercept (0,1) must be present in the table.

Also the ratio of a subsequent y-value to the previous y-value should give a value of b.

In other words the multiplicative rate of change from the table must be equal to b.

6 0
3 years ago
gulfside gifts has 48 boxes of postcards to sell. there are 24 postards in each box. if the shop sell 3 boxes of postcards, how
lisabon 2012 [21]
If you times 24 by 48 then you get 1,152. 3 times 24 is 72. You would then subtract 1,152 by 72 which equals 1,080 postcards left is what the shop has to sell.
5 0
3 years ago
I don't understand proportional relationship can u help? ​
Reptile [31]

Answer: I’ll explain it in simpler terms for you. A proportional relationship is one in which two quantities vary directly with each other. Ratios are proportional if they represent the same relationship. One way to see if two ratios are proportional is to write them as fractions and then reduce them. If the reduced fractions are the same, your ratios are proportional. An example of a proportional relationship is simple interest, tax, markups and markdowns, gratuities and commissions, fees, percent increase and decrease, percent error. Hope this helps! :D

5 0
3 years ago
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