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olganol [36]
2 years ago
14

Identify the exponential function as a growth or decay function.

Mathematics
1 answer:
marusya05 [52]2 years ago
7 0

Answer:

A

Step-by-step explanation:

A. growth

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Convert y =(x+1)(x-9) to vertex form
IgorC [24]

Answer:

y = (x - 4)² - 25

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

To obtain this form use the method of completing the square.

Given

y = (x + 1)(x - 9) ← expand factors using FOIL, thus

y = x² - 8x - 9

To complete the square

add/subtract ( half the coefficient of the x- term )² to x² - 8x

y = x² + 2(- 4)x + 16 - 16 - 9

  = (x - 4)² - 25 ← in vertex form

5 0
3 years ago
What is −5/6÷9/10 ?<br><br> A −27/25<br><br> B −4/3<br><br> C −25/27<br><br> D −3/4
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Answer and Step-by-step explanation:

\huge\boxed{~~Answer:\frac{-25}{27} ~~}

\frac{-5}{6} ÷ \frac{9}{10}=\frac{-25}{27}

5 0
3 years ago
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nikdorinn [45]
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Camila drew a triangle with a side that is 24
Marta_Voda [28]

Answer:

Step-by-step explanation:

It’s going to be 42 inches and 40 inches because we are simplifying

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Can some one help me answer these questions?
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