F(x) = 3x^2+7 Find f(f(x)

1 answer:

Scrat [10]2 years ago

3 0

Hhhhhjjuhyhyhgtgtgrgrgrfrfrfrf

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Sonja [21]

Answer:y=2x-5

Step-by-step explanation:

7 0

2 years ago

Aleksandr-060686 [28]

Answer:

$\dfrac{k^2+5k}{4k^2}$

Step-by-step explanation:

A suitable common denominator is 4k^2. (This eliminates the first and last choices.)

$\dfrac{3k}{k^2}+\dfrac{k-7}{4k}=\dfrac{4(3k)}{4(k^2)}+\dfrac{k(k-7)}{k(4k)}\\\\=\dfrac{12k+k^2-7k}{4k^2}=\boxed{\dfrac{k^2+5k}{4k^2}}$

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2 years ago

Kamila [148]

Its C! Lets say x=30
|30-323|=50
This could technically be true because it would show if the temp is within range

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2 years ago

aivan3 [116]

2/9 is the answer!! (:

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2 years ago

Allisa [31]

Answer:

Answer is D, all you do is add the numbers

7 0

2 years ago