3 years ago

What is the rate of change from 2012 to 2016?

Mathematics

1 answer:

Artyom0805 [142]3 years ago

8 0

Answer:

D. 11.25 students per year

Step-by-step explanation:

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Coefficient of x^2 in the expansion of (x-3)^3

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Answer:

$-9$

Step-by-step explanation:

$(x-3)(x-3)(x-3)$

$(x^2-6x+9)(x-3)$

$x^3-9x^2+27x-27$

Therefore, the coefficient of $x^2$ is $-9$ .

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HELP!!! Use the factor Theorem to determine whether the binomial x+1 is a factor of the polynomial function f(x) =2x^3-9x^2+13x-

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ANSWER

A. No because f(c)=-30

EXPLANATION

The given polynomial is

$f(x) =2x^3-9x^2+13x-6$

If x+1 is a factor , then f(-1) must evaluate to zero.

$f( - 1) =2( - 1)^3-9( - 1)^2+13( - 1)-6$

$f( - 1) =2( - 1)-9( 1)+13( - 1)-6$

$f( - 1) = - 2-9 - 13-6$

$f( - 1) = -11 - 19$

$f( - 1) = - 30$

Since f(-1) is not equal to zero, x+1 is not a factor of

$f(x) =2x^3-9x^2+13x-6$

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The answer is Set 1

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x=−y+4

Step-by-step explanation:

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On a snowy evening only 2/3 of the registered students in Bob's chess

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18 / 2 = 9 || 9 x 3 = 27. Therefore, 27 students are registered in Bob’s class.

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