3 years ago

What is equivalent to 1/2 (6x + 12 + 3)? Is it A. 18x + 36 - 9 B. 2x + 4 - 1 C. 2x + 12 - 3 D. 18x + 12 - 3

Mathematics

1 answer:

Kobotan [32]3 years ago

6 0

Answer choice A is correct

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José represents the linear function f(x) = 5x – 7 with words.

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Step-by-step explanation:

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If h(x) = (fºg)(x) and h(x) = 3(x+2)^2 find one possibility for f (x) and g(x).

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Answer:

$f(x) = 3x^2$

$g(x) = x + 2$

Step-by-step explanation:

Given

$h(x) = 3(x+2)^2$

$h(x) = (fog)(x)$

Required

Find f(x) and g(x)

$h(x) = (fog)(x)$

Rewrite h(x)

$h(x) = f(g(x))$

If $h(x) = 3(x+2)^2$

then

$f(g(x)) = 3(x+2)^2$

This implies that; the expression in the brackets are equal;

In other words; function g(x) on the left hand side is equal to expression x + 2 on the right hand side

So;

$g(x) = x + 2$

To find f(x), substitute g(x) with x

$f(x) = 3(x)^2$

$f(x) = 3x^2$

Final solutions are

$f(x) = 3x^2$

$g(x) = x + 2$

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3 years ago

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The answer is 1375..........

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