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mylen [45]
2 years ago
14

Given the function f(x) = -x-5/4x^3, then what is f(-2x)as a simplified polynomial?

Mathematics
1 answer:
olchik [2.2K]2 years ago
3 0
Rewrite “f(x)” to -2fx=x-5/4x^3
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Need help quick not many points cause I'm low on them will make it brainlies answer if right
adoni [48]
I think the answer is B.
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3 years ago
HELPPP ME I NEED HELP
wariber [46]

Answer:

I think the answer is

no

no?

yes

yes

yes

no

Step-by-step explanation:

I'm not really sure if this is correct but from my textbook it says that the answer cannot have a math problem in it (E.g x = 1 + 2.3).

I am sorry if this is incorrect

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8 0
2 years ago
Explain why a quadratic equation with a positive discriminant has two real solutions, a quadratic equation with a negative discr
Bad White [126]

Answer:

A quadratic equation can be written as:

a*x^2 + b*x + c = 0.

where a, b and c are real numbers.

The solutions of this equation can be found by the equation:

x = \frac{-b +- \sqrt{b^2 - 4*a*c} }{2*a}

Where the determinant is D = b^2 - 4*a*c.

Now, if D>0

we have the square root of a positive number, which will be equal to a real number.

√D = R

then the solutions are:

x = \frac{-b +- R }{2*a}

Where each sign of R is a different solution for the equation.

If D< 0, we have the square root of a negative number, then we have a complex component:

√D = i*R

x = \frac{-b +- C*i }{2*a}

We have two complex solutions.

If D = 0

√0 = 0

then:

x = \frac{-b +- 0}{2*a} = \frac{-b}{2a}

We have only one real solution (or two equal solutions, depending on how you see it)

3 0
3 years ago
Jane cycles 27km at 12km/h how long does she take ??? Plsss helppppppppp
taurus [48]
My guess is 30 mins sorry if wrong hope this helps
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3 years ago
Draw the line through the point (4,5) that is parallel to the y-axis. Write the equation of this line and state its slope
ollegr [7]
Parallel to the y axis...that would mean that it is a vertical line.
The equation would be : x = 4 and it would have an undefined slope
7 0
3 years ago
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