3 years ago

Select all the coordinate pairs that are solutions to y= 2x^2 +3x +1

Mathematics

1 answer:

Katen [24]3 years ago

7 0

Answer:

Step-by-step explanation:

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The rule is that y equals 4 times x.

Whatever value of x you have, multiply it by 4 to find the corresponding y value.

If x = 3, y = 4 * 3 = 12

If x = 4, y = 4 * 4 = 16

If x = 5, y = 4 * 5 = 20

The table looks like this:

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In 2004 the population in Morganton, Georgia, was 43,000. The population in Morganton doubled by 2010. If the growth rate remain

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Answer:

263,606.9

Step-by-step explanation:

In 2004 the population in Morganton, Georgia, was 43,000.

(0, 43000)

The population in Morganton doubled by 2010

In 6 years the population is doubled (86000)

(6,86000)

$A= a(b)^t$

Use (0,43000) in the above equation

$A= a(b)^t\\43000= a(b)^0\\a=43000$

Now plug in (6,86000)

$A= a(b)^t\\A= 43000(b)^t\\86000=43000(b)^6\\2=b^6\\b=\sqrt[6]{2} \\b=1.12$

$A=43000(1.12)^t$

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