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photoshop1234 [79]

3 years ago

12

Help is much needed!!!

1 answer:

icang [17]3 years ago

5 0

Y - y1 = m (x + x1)

Solve for m by subtracting the y's and dividing them by the difference of the 2 x's.

-32 - 1 = -33
-8 - 3 = -11

Divide the two to get 3.

Use the first point (as instructed) and plug it into the equation.

y - (-32) = 3 (x - (-8))

y + [32] = [3] (x + [5])

The brackets are the fill in the blanks.

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Step-by-step explanation:

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2 years ago

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3 years ago

What is the equation of exponential regression equation? Round all numbers you your answer to three decimal places

ExtremeBDS [4]

Given:

The given values are:

$a=0.2094539899$

$b=2.507467975$

$r^2=0.9435996398$

$r=0.9713905701$

To find:

The exponential regression equation for the given values (Rounded to three decimal places).

Solution:

The general form of exponential regression equation is:

$y=a\cdot b^x$ ...(i)

Where, a is the initial value and b is the growth/decay factor.

We have,

$a=0.2094539899$

$b=2.507467975$

Round these numbers to three decimal places.

$a\approx 0.209$

$b\approx 2.507$

Substitute $a=0.209, b=2.507$ in (i) to find the exponential regression equation.

$\hat{y}=0.209\cdot 2.507^x$

Therefore, the correct option is C.

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3 years ago