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Goshia [24]
4 years ago
8

How can u tell if a function is polynomial

Mathematics
1 answer:
STatiana [176]4 years ago
5 0
Assuming you mean how to identify whether polynomial is function or not.

If you draw a vertical line parallel to Y-axis such that it's cuts the graph of polynomial at one and only one point, then that polynomial is a function.

All functions are polynomials but not all polynomials are functions.

Hope this helps!

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Ex 1) A population of 422, 000 increases by 12% each year. What is the population after<br> years.
SpyIntel [72]

Answer:472640

Step-by-step explanation:

Increase=112/100×422000

=472640

4 0
3 years ago
A lightbulb is installed. With probability 1/3 , it burns out immediately when it is first installed. With probability 2/3 , it
Andrej [43]

Answer:

1 time unit

Step-by-step explanation:

There is a 1 in 3 chance that the time until the bulb burns out is zero, and a 2 in 3 chance that the time is the average between 0 and 3 (since it is uniformly distributed). Therefore, the expected value for the time until it burns is:

E(x) = \frac{1}{3}*0+\frac{2}{3} *\frac{0+3}{2}\\ E(X) = 1

The expected value of the time until the lightbulb burns out is 1 time unit.

3 0
3 years ago
Find the approximate side length of a square game board with an area of 189 in².
Ber [7]
Answer is 13.75 inches for each side of the square board

Step by step

A square with an area of 189 in sq. , take square root of 189 = 13.75 inches
5 0
2 years ago
EFGH is a rhombus. Given EG = 16 and FH = 12, what is the length of one side of the rhombus?
Black_prince [1.1K]

Answer:

(C) 10 units

Step-by-step explanation:

It is given that EFGH is a rhombus and EG = 16 and FH = 12.

We know that the diagonals of the rhombus are the perpendicular bisectors, therefore OF=6, OH=6, OE=8 and OG=8.

Now, using the Pythagoras theorem in ΔOFG, we have

(FG)^{2}=(OG)^{2}+(OF)^{2}

(FG)^{2}=(8)^{2}+(6)^{2}

(FG)^2=64+36

FG=\sqrt{100}

FG=10

Thus, the value of the side of the rhombus will be 10 units.

Hence, option C is correct.

3 0
4 years ago
Read 2 more answers
A store is having a sale where winter clothes are 60% of the original price. A sweater is on sale for $30. What is the original
Thepotemich [5.8K]

Answer:$50

Step-by-step explanation:

So we have the sweater that’s $30 with a sale of 60% of the original price.

That means $30=60% of the original

So

30=60%start with this

5=10% divide 6 by both sides to get 10%

50=100% times by 10 to get 100%, which is the original price.

So the original price of this sweater is $50

:D

4 0
3 years ago
Read 2 more answers
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