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MArishka [77]
3 years ago
8

Consider that x = −9 and y = −6. Which statement is true about x + y?

Mathematics
2 answers:
vfiekz [6]3 years ago
5 0

Answer: A) The sum of x and y is a rational number.

Step-by-step explanation:

A rational number is a number that can be expressed as a fraction , that is , it can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Since q may be equal to 1, every integer is a rational number

since x = -9 and y = -6

x + y = -9 + -6

x + y = -15

-15 can be written as -15/1 , this shows that it is a rational number.

Note : Irrational numbers can not be expressed as fraction ,example is \sqrt{2} , \pi and so on

Also , Imaginary number is a complex number

IgorLugansk [536]3 years ago
4 0

Answer:

A

Step-by-step explanation:

-9 -6 = -15.

-15 is rational.

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Find an antiderivative F(x) with F′(x) = f(x) = 6 + 24x^3 + 18x^5 and F(1)=0.
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The antiderivative is F(X) = 6x + 6x^4 + 3x^6 - 15.

Step-by-step explanation:

Antiderivative F(x)

This is the integral of F^{\prime}(x)

So

F′(x) = f(x) = 6 + 24x^3 + 18x^5

Then:

F(x) = \int (6 + 24x^3 + 18x^5) dx

F(x) = 6x + \frac{24x^4}{4} + \frac{18x^6}{6} + K

F(x) = 6x + 6x^4 + 3x^6 + K

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The antiderivative is F(X) = 6x + 6x^4 + 3x^6 - 15.

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