Real world example graphing polynomial functions

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Answer 1
Answer: A polynomial function is a function which involves only non-negative integer powers or only positive integer exponents of a variable in an equation like the quadratic equation, cubic equation, etc. For example, 2x+5 is a polynomial which has exponent equal to 1.

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AssignmentWhich square root is between 4 and 5?
((8 × 1.95) + (3 × 2.95) + 10.95) × 1.06
SOMEONE HELP PLZ < EMRGENCY. 7 POOUNTS TO THE FIRST ONE TO ANSWER
Ok hey guys 11 its and explain so convert this into vertex form y=-2x^2 +16x-37
Can someone help me in this question?The radius of the front wheel of Brian's bike is 64cm.Brian goes for a cycle and travels 33.47km.How many full revolutions did Brian's front wheel complete?

How many groups of 12 are in 600

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Do 600÷12= 50

The answer is 50 
600/12 = ?

600/12 = 50

Their are 50 groups of 12 in 600. 

What number is 400 greater than 32,518? Show work.

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If i'm correct, the answer should be 32,918 because 5+4=9 and thus, 32,518+400=32,918

Is 3/4 greater than 7/8?

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3/4 = (2*3) / (2* 4) = 6/8

7/8.

Is 3/4 greater than 7/8? 
Is like asking is 6/8 greater than 7/8?  Because 3/4 is equivalent to 6/8.

The answer is No.
^(2/) (3)/(4) = (6)/(8)  \n  \n  (6)/(8) < (7)/(8)

HELP FAST PLZ HELP Quick

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The third option I believe

Photo above. please help!

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This is a proportion. You need to be able to find the missing value based on the information they've provided you with. 

Here's the best way to solve ⇒

2/3 = x/48
Cross multiply them.  ⇔   2*48 = 3x
96 = 3x
x = 32

the missing value is 32
Cross multiplication!
Because it is a proportion
(2)/(3)(?)/(48)
2 × 48 = 3 × ?
96 = 3 × ?
Divide by 3 on both sides to isolate the unknown number
(96)/(3)(3 * ?)/(3)
3 and 3 cancels out

32 = ?
The unknown number is 32

4x +2y = 12
-4x + 5y= -5

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4x+2y=12 \n\underline{-4x+5y=-5} \n2y+5y=12-5 \n7y=7 \ny=(7)/(7) \ny=1 \n \n4x+2y=12 \n4x+2 * 1=12 \n4x+2=12 \n4x=12-2 \n4x=10 \nx=(10)/(4) \nx=(5)/(2) \nx=2 (1)/(2) \n \n\boxed{(x,y)=(2 (1)/(2), 1)}
Please, look at photo :))

-Good luck !