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3 years ago

7 - 5x = -5x - 6x + 7

Mathematics

1 answer:

castortr0y [4]3 years ago

8 0

Answer: X=0

Step-by-step explanation:

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What’s is 2x-9=3x+10

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-9=x+10
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The answer is -19

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Can someone please help me

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Answer:

C.)

Step-by-step explanation:

Originaly it would look like this ; a:b but Option C.) is the same thing

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If y = 2x - 8 what is the minimum value of the product xy

Alja [10]

Answer:

the minimum value of product is -8

Step-by-step explanation:

We have been given the function y = 2x-8 and we have to find the minimum value of the xy.

Plugging the value of y in the product

$f(x)=x(2x-8)\\\\f(x)=2x^2-8x$

f(x) represents a upward parabola and we know that for a upward parabola, the minimum point is the vertex.

So in order to find the minimum value we find the y coordinate of the vertex of the parabola.

x-coordinate of the parabola is given by

$-\frac{b}{2a}\\\\=-\frac{-8}{2\cdot2}\\\\=2$

y -coordinate of the parabola is

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Hence, the vertex is (2,-8)

Therefore, the minimum value of product is -8

6 0

3 years ago

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Which of the following will form the composite function G(F(x)) shown

Zanzabum

Answer:

$f(x) = 2x + 5$

$g(x) = (x - 6)^2$

Step-by-step explanation:

Given

(a) to (d)

Required

Which will give:

$f(g(x)) = 2(x - 6)^2 + 5$

Equate the expression in bracket to g(x)

$g(x) = (x - 6)^2$

Replace g(x) with x in: $f(g(x)) = 2(x - 6)^2 + 5$

$f(x) = 2x + 5$

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3 years ago