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3 years ago

Given that f(x) = x2+ 2x + 3 and g(x) = quantity of x plus four, over three , solve for f(g(x)) when x = 2.

Mathematics

1 answer:

enot [183]3 years ago

5 0

G(x)= (x2+2x+7)/3
g(2)=(4+4+7)/3=5

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Murljashka [212]

Answer:

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We can notice that the balance beam has in one side 7 balls and in the other one 5 balls and a square

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3 years ago

Kyoko is reading a book by her favorite author. She read the first 20 pages in One-half of an hour. Reading at the same pace, Ky

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It will take her 3 hours to read 120 pages.

Step-by-step explanation:

The number of pages read(y) after x hour can be modeled by a linear function in the following format:

$y = ax + b$

In which a is the number of pages read per hour and b is the initial number of pages read.

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This means that when $x = 0, y = 0$

$y = ax + b$

$0 = a*0 + b$

$b = 0$

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$y = ax$

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$a = \frac{20}{0.5}$

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The function in:

$y(x) = 40x$

According to the graph, which statement must be true?

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Less than 2 hours for 60 pages, so this is false.

It will take her 3 hours to read 120 pages.

$y(3) = 40*3 = 120$

This statement is true.

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More than 4 hours to read 180 pages. So false.

It will take her 5 hours to read 210 pages.

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3 years ago