Answer:
see explanation
Step-by-step explanation:
The standard form of the sine wave function is
y = a sin (bx + c) + d
where amplitude = | a |, period = 
phase shift = - 
and d is the vertical shift
Here a = - 2, b = 3 and c = - π
Hence
amplitude = | - 2 | = 2
period = 
and
phase shift = - 
= 
Answer:
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Step-by-step explanation:
The equation of parabola is y = -8(x -3)² - 9.
<h3>Define parabola.</h3>
A parabola is an approximately U-shaped, mirror-symmetrical plane curve in mathematics. It corresponds to a number of seemingly unrelated mathematical descriptions, all of which can be shown to define the same curves. A parabola can be described using a point and a line.
Given Data
Focus = (3, -9)
Directrix: y = -5
The focus-passing line has an equation of x = -5 that is perpendicular to the directrix. The symmetry line of a parabola is seen here.
The parameter of the parabola is the separation between the focus and the directrix, so
p = -9 - 3
p = -12
p = 12
The distance between the focus and the directrix is divided into two equal portions by the parabola's vertex, which is located on the line of symmetry. Its coordinates are as follows: (3,-9).
Since a parabola moves in the opposite direction of y, its equation is
y -(-9) = -2(4(x -3)²)
y + 9 = -8(x-3)²
y = -8(x -3)² - 9
The equation of parabola is y = -8(x -3)² - 9.
To learn more about parabola, visit:
brainly.com/question/13804934
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0.9842 kilograms equal to 984.2 grams
Answer:
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