3 years ago

HELPPP WILL GIVE BRAINLIST

Mathematics

2 answers:

saveliy_v [14]3 years ago

8 0

Answer:

A D B C B

Step-by-step explanation:

Nastasia [14]3 years ago

4 0

Answer:

6. A

7. D

8. B

9. C

10. B

Step-by-step explanation:

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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.

Sidana [21]

$f(x)=x^2+2x+3$
$g(x)=\frac{x+4}{3}$
$f(g(x))=(\frac{x+4}{3})^2+2(\frac{x+4}{3})+3$
$f(g(x))=\frac{x^2+8x+16}{9}+\frac{2x+8}{3}+3$
$f(g(2))=\frac{2^2+8(2)+16}{9}+\frac{2(2)+8}{3}+3$
$f(g(2))+\frac{4+16+16}{9}+\frac{4+8}{3}+3$
$f(g(2))=\frac{36}{9}+\frac{12}{3}+3$
$f(g(2))=4+4+3$
$f(g(2)=11$

Check:
g(2)=(2+4)/3=2
f(2)=2^2+2(2)+3=4+4+3=11 Checks.

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3 years ago

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The price of oil recently went from $10.50 to $12.60 per case of 12 quarts. Find the ratio of the increase in price to the ori

wolverine [178]

To find the percent increase you will create a ratio of the difference between the 2 prices and the starting price.

(12.60-10.50)
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3 years ago

Please help me on that question for my Algebra. I don't understand it.

tigry1 [53]

13 quarters = 13 *0.25 = 3.25

3.60 - 3.25 = 0.35

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he has 1 dime and 14 quarters

Answer is B

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