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shepuryov [24]
3 years ago
12

Which function is a quadratic function?

Mathematics
2 answers:
BigorU [14]3 years ago
8 0
It's the first oneeeeeeeeeeeeeee

inessss [21]3 years ago
6 0

Answer:

u(x) is the only quadratic function.

Step-by-step explanation:

We are given four algebraic functions in x and we have to find which one is a quadratic function.

Let us arrange those polynomials in descending powers of x.

i) u(x) = 3x^2-x-8

The highest degree is 2.  Hence this is quadratic function.

ii) v(x) = 8x^3+2x^2+9x

The highest degree is 3 and hence this is cubic

iii) y(x) = 3x^5+x^2+4

The highest degree is 5 and hence this cannot be quadratic

iv) z(x) = 2x^3+7x^2-3

The highest degree is 3 and hence this is cubic

Hence u(x) is the only quadratic function.

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Please answer
SVEN [57.7K]

From the calculation done below, it can be seen that the cost of one orange is 85 cents.

<h3>How do we determine the cost of a product?</h3>

The cost of one orange can be determined as follows:

One dime = 10 cents

2 dollars = 200 cents

Total amount given by Sue to the store clerk = One dime + 2 dollars = 10 cents + 200 cents = 210 cents

Cost of two oranges = Total amount given by Sue to the store clerk –

Change = 210 cents – 40 cents = 170 cents

Cost of one orange = Cost of two oranges / 2 = 170 cents / 2 = 85 cents

Learn more about cost here: brainly.com/question/14844899.

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