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bogdanovich [222]
3 years ago
9

Which equation does not represent a function?

Mathematics
1 answer:
Margaret [11]3 years ago
5 0
B does not represent a function
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I think it’s either 8 or negative 8
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3 (x + 1) - 2y= 0
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8 0
3 years ago
Simplify (5x3− x + 14) − (3x2− 9x + 4).
Ksenya-84 [330]

Answer:

Option A.,

Step-by-step explanation:

(5x3− x + 14) − (3x2− 9x + 4)

First remove the 2 sets of parentheses. Note when we remove the second one we multiply  the terms inside by -1.  ( Or we might say we distribute the negative over this parentheses.)

= 5x^3 - x + 14 - 3x^2 + 9x - 4

Now we simplify like terms:-

= 5x^3 - 3x^2 + 8x + 10 (answer).



7 0
3 years ago
Read 2 more answers
The parents of three children, ages 1, 3, and 6, wish to set up a trust fund that will pay X to each child upon attainment of ag
ehidna [41]

Answer:

The equation of <em>Z</em> is: Z=X(v^{17}+v^{15}+v^{12})+Y(v^{20}+v^{18}+v^{15})

Step-by-step explanation:

  • The first child is of age 1 year.

        Then the amount invested for the 1-year old is: Xv^{17}+Yv^{20}

  • The second child is of age 3 years.

        Then the amount invested for the 3-year old is: Xv^{15}+Yv^{18}

  • The third child is of age 6 years.

        Then the amount invested for the 6-year old is: Xv^{12}+Yv^{15}

The one-time investment will be:

Z=Xv^{17}+Yv^{20}+Xv^{15}+Yv^{18}+Xv^{12}+Yv^{15}\\=X(v^{17}+v^{15}+v^{12})+Y(v^{20}+v^{18}+v^{15})

6 0
3 years ago
Expand: -1/3(-2x-21)
SSSSS [86.1K]

Answer:

Step-by-step explanation:

Simplifying

3(2x + -1) = 21

Reorder the terms:

3(-1 + 2x) = 21

(-1 * 3 + 2x * 3) = 21

(-3 + 6x) = 21

Solving

-3 + 6x = 21

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '3' to each side of the equation.

-3 + 3 + 6x = 21 + 3

Combine like terms: -3 + 3 = 0

0 + 6x = 21 + 3

6x = 21 + 3

Combine like terms: 21 + 3 = 24

6x = 24

Divide each side by '6'.

x = 4

Simplifying

x = 4

6 0
3 years ago
Read 2 more answers
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