3 years ago

Need some help with this one.

Mathematics

1 answer:

Verizon [17]3 years ago

4 0

Answer:

x² + 4x + 3

Step-by-step explanation:

to find f(g(x)), substitute x = g(x) into f(x)

f(g(x)) = f(x + 2) = (x + 2)² - 1 = x² + 4x + 4 - 1 = x² + 4x + 3

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Kobotan [32]

Answer:

Step-by-step explanation:

Let the number of mysteries solved=x, then according to question, number of mysteries Evan solved= $\frac{7}{9}x$ , also together they solve all the mysteries, thus

$14+\frac{7}{9}x=x$

$14=x-\frac{7}{9}x$

$14=\frac{9x-7x}{9}$

$14=\frac{2x}{9}$

$2x=126$

$x=63$

Thus, total number of mysteries solved=63.

Also, total number of mysteries Evan solved= $\frac{7}{9}x= \frac{7}{9}{\times}63=49$ .

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Answer:

Step-by-step explanation:

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ALR this is awesome thanks for this!!!!!!

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