3 years ago

Find the domain and range of the function graphed below.

1 answer:

4 0

Domain is [-1,3)

Range is (-5, 4]

A () bracket means the value IS NOT included, a [] bracket means the value IS included in interval notation.

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64x^2-81 what’s the answer ?

pychu [463]

Answer:

(8x-9)(8x+9)

Step-by-step explanation:

64x^2 - 81

Rewriting

(8x)^2 - 9^2

We recognize that this is the difference of squares

a^2 - b^2 = (a-b)(a+b)

(8x-9)(8x+9)

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Fynjy0 [20]

Answer:

$y - 2 = \frac{1}{8}(x +8)$

Step-by-step explanation:

Perpendicular lines have negative reciprocal slopes. Since the slope of one line is -8, its perpendicular line will have the slope of 1/8.

Substitute m = 1/8 and (-8,2) into the point slope form of a line.

$y - y_1 = m(x-x_1)\\y - 2 = \frac{1}{8}(x --8)\\y - 2 = \frac{1}{8}(x +8)$

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A movie was 3 1/2 hours long. If Lily turned the movie off 1/4 of the way through, how much time did she spend watching it?

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Step-by-step explanation:

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