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Katyanochek1 [597]
3 years ago
15

Which function is a quadratic function?

Mathematics
2 answers:
Irina18 [472]3 years ago
8 0
F(x) is the only quadratic function here. Any term with a degree of 2 starting the equation is a quadratic. 
VLD [36.1K]3 years ago
3 0
Quadratic= 2nd degrree, means highest exponent of placeholder is 2

f(x)=2x^2 is 2 exposnnet, that is quadratic
g(x)=5x^3, 3rd degree, cubic
k(x)=-x, 1st degree, linear
b(x)=-9x^4, 4th degree, quartic


answer if f(x)
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Answer:

  • 3 big bucks
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Step-by-step explanation:

Let B, L, D represent the numbers of big bucks, little bucks, and does, respectively.

  B + L + D = 26 . . . . . . total bagged

  D = 5 + 2L . . . . . . . . . 5 more does than twice the number of little bucks

  B = L/2 . . . . . . . . . . . . half as many big bucks as little bucks

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We can substitute for B and D in the first equation:

  L/2 + L + (5 +2L) = 26

  7/2L = 21 . . . . . . . . . . . . . subtract 5, collect terms

  L = 6 . . . . . . . . . . . . . . . . . multiply by 2/7

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  B = 6/2 = 3

The party bagged 3 big bucks, 6 little bucks and 17 does.

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3 years ago
The elevation of the basement floor in a building is -14 ft. The elevation of the roof is 36 feet. What is the distance from the
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