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Elina [12.6K]
2 years ago
12

Write an equivalent expression for –2x+7

Mathematics
1 answer:
kiruha [24]2 years ago
4 0

Step-by-step explanation:

This expression is in its simplest form.

We can only expand them:

-2x + 7 = 3x - 5x + 7

-2x + 7 = x - 3x + 9 - 2

-2x + 7 = -x - x + 3 + 4

....

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Suppose f(x) = x. Find the graph of f(x) +2.
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graph 2

Step-by-step explanation:

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Write a polynomial function of minimum degree with real coefficients whose zeros include those listed. Write the polynomial in s
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Answer:

The polynomial function is P(x) = x^4-35x^2+180x-416.

Step-by-step explanation:

A polynomial function is completely determined by its roots, up to a constant factor. So, if we want that x_1=4, x_2=-8 and x_3=2+3i be roots of the polynomial P, we can write it as

P(x)= (x-x_1)(x-x_2)(x-x_3)=(x-4)(x+8)(x-(2+3i)) = (x^2+4x-32)(x-(2+3i)).

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P(x) = (x^2+4x-32)(x-(2+3i))(x-(2-3i)).

Expanding the above expression we obtain the desired polynomial

P(x) = x^4-35x^2+180x-416.

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