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Slav-nsk [51]
3 years ago
13

Graph the quadratic function f(x)= -2x^2 + 6x - 2

Mathematics
2 answers:
inn [45]3 years ago
5 0
The answer is........

zhuklara [117]3 years ago
4 0

Answer:

  see below for a graph

Step-by-step explanation:

The function can be rewritten to vertex form to aid in graphing.

  f(x) = -2(x^2 -3x) -2

  f(x) = -2(x^2 -3x + 2.25) -2 +4.50 . . . . . . add (3/2)^2 inside parentheses and subtract an equivalent amount outside parentheses

  f(x) = -2(x -1.5)^2 +2.5

The vertex is located at (1.5, 2.5), and the vertical scale factor is -2. The point (3, -2) will be another point on the graph, along with the y-intercept (0, -2) and the vertex (1.5, 2.5).

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77julia77 [94]

The shortest horizontal shift of a sine curve that will turn it into a cosine curve is a shift of <u>90°( π/2 radians)</u>.

The function y = sin x defines a sine wave as a geometric waveform that oscillates (moves up, down, or side to side) frequently. It is an s-shaped, smooth wave that oscillates above and below zero, to put it another way.

Technical analysis and trading both employ sine waves to assist spot oscillator-related patterns and cross-overs.

Similar to the sine graph, the cosine graph is an up-down graph. The sine graph and cos graph are identical except that the sine graph begins at 0, whereas the cos graph begins at <u>90° (or π/2)</u>. The cosine (cos) graph shown below starts at 1 and drops to -1 before rising once again.

Thus, the shortest horizontal shift of a sine curve that will turn it into a cosine curve is a shift of <u>90°( or π/2 radians)</u>.

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3 0
2 years ago
An astronomer's infrared telescope is able to detect radiation with a wavelength of 8.35x10-5 meters. Write this number in stand
alexgriva [62]

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unknown

Step-by-step explanation:

karma

3 0
3 years ago
The clerk at the checkout counter earned $350 in 25 hours.
REY [17]

Answer: 14 a hour

Step-by-step explanation:

3 0
3 years ago
Which function can be used to find the number of ounces of coffee in the can based on its radius?
8090 [49]

Answer:

A

Step-by-step explanation:

The answer is A I hope it helped!

5 0
4 years ago
I need the first and second one, please anyone
tia_tia [17]

Answer:

f(-1) = 0

f(2) = 16

Step-by-step explanation:

f(-1) = 4(-1) + 4 = 0

f(2) = 4(2) + 8 = 16

5 0
3 years ago
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