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2 years ago

PLEASE HELP I ONLY HAVE AN HOUR LEFT !!!!!!

Mathematics

2 answers:

oksano4ka [1.4K]2 years ago

5 0

Answer:

1,3, and 4

Step-by-step explanation:

lakkis [162]2 years ago

4 0

Your answer is
1,3, and 4
Hope this helps good luck

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<img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%20x%20%7B%7D%5E%7B2%7D%20%20%2B%2012x%20%2B%2036" id="TexFormula1" title="f(x)

Mars2501 [29]

Answer:

Step-by-step explanation:

We are given the function:

$\displaystyle f(x) = x^2 + 12x + 36$

And we want to determine the value of:

$\displaystyle f^{-1}(225)$

Let this value equal a. In other words:

$\displaystyle f^{-1}(225) = a$

Then by the definition of inverse functions:

$\displaystyle \text{If } f^{-1}(225) = a\text{, then } f(a) = 225$

Hence:

$\displaystyle f(a) =225 = (a)^2 + 12(a) + 36$

Solve for a:

$\displaystyle \begin{aligned} 225 &= a^2 + 12a + 36 \\ \\ a^2 + 12a -189 &= 0 \\ \\ (a + 21)(a-9) &= 0\end{aligned}$

By the Zero Product Property:

$\displaystyle a + 21 = 0 \text{ or } a - 9 = 0$

Hence:

$\displaystyle a = -21 \text{ or } a = 9$

Thus, f(9) = 225. Consequently, f⁻¹(225) = 9.

In conclusion, our answer is B.

3 0

2 years ago

Given a triangle with side lengths of 20 cm and 7 cm, what is a possible length of the third side?

ANEK [815]

Answer:

you know where there at first place where did in touch shortly me so sorry it's worth your company I had any attachments transmitted for more and they would appreciate hearing how

8 0

1 year ago

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Which of the following is a perfect square? A. 279 B. 154 C. 169 D. 115

dybincka [34]

C. 13 times 13 makes 169.

8 0

2 years ago

How much will be left after 24 hrs if it’s half life is 6 hours?

Ket [755]

The quantity remaining will be
.. 448*(1/2)^(24/6) = 448/16 = 28 . . . . grams

6 0

2 years ago

(9x2 + 8x) – (2x2 + 3x)

Arte-miy333 [17]

Answer: 14+5x

Step-by-step explanation:

(18+8x) - (4+3x)

18+8x-4-3x

14+5x

7 0

3 years ago

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