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Drupady [299]
2 years ago
5

Determine if the expression -80 – 9c4d2 is a polynomial or not. If it is a

Mathematics
1 answer:
Shalnov [3]2 years ago
4 0

Answer:

- 8c - 9c4 d2 - 8c - 9c is a polynomial of type binomial and has a degree 6.

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Select the correct answer.
eimsori [14]

Answer:

D

Step-by-step explanation:

Given that

f(x)=-2x – 1

g(x) = -1/2x+1/2

I The function f( g(x)) = x for all real x.

-2(-1/2X + 1/2) - 1

X - 1 - 1

X - 2

II. The function glAx)) = x for all real x.

- 1/2( -2X - 1 ) + 1/2

X + 1/2 + 1/2

X + 1

III. Functions fand g are inverse functions

Inverse of f(x)

Y = -2x - 1

X = - 2Y - 1

- 2Y = X + 1

Y = - 1/2X - 1/2

Therefore, none of the above answers is correct.

The correct answer is therefore D

7 0
2 years ago
Read 2 more answers
In B E C, F is the centroid, and AC = 12. Find A F and F C
klemol [59]

bearing in mind that the centroid in a triangle cuts each of the three medians in a 2:1 ratio.

since we know that A C = 12, let's split it in a 2:1 ratio then, cleary from the picture the larger is F C, so F C : A F is on a 2:1 ratio.

\bf A C=A F+F C\qquad \qquad \cfrac{F C}{A F}=\cfrac{2}{1}\qquad \qquad \cfrac{2\cdot \frac{12}{2+1}}{1\cdot \frac{12}{2+1}}\implies \cfrac{2\cdot 4}{1\cdot 4}\implies \cfrac{8}{4}

4 0
3 years ago
How to solve |x-1|=|x-2| geometrically? ​
S_A_V [24]

Answer:

x=3/2 or 1.5

Step-by-step explanation:

Screenshot below should help :)

4 0
3 years ago
Read 2 more answers
Hi I need help please
Nadusha1986 [10]

Answer:  14 7/8

Step-by-step

I put the 4 1/4 into an improper fraction then did keep change flip

4 0
3 years ago
Read 2 more answers
*PART D QUESTIONS ONLY*
BlackZzzverrR [31]

Answer:

look at the pictures

Step-by-step explanation:

7 0
2 years ago
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