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KonstantinChe [14]

2 years ago

6

What is the domain of x = 4?

2 answers:

tigry1 [53]2 years ago

7 0

Step-by-step explanation:

since x=4 is a vertical line,there is no y-intercerpt and the slope is undefined.

34kurt2 years ago

5 0

The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined. The range is the set of all valid y values.

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If f(x) = │(x² – 50)│, what is the value of f(-5) ?

Liula [17]

$f(x)=|(x^2-50)|\\\\f(-5)=|(-5)^2-50|=|25-50|=|-25|=25\\\\\\|a|= \left\{\begin{array}{ccc}a&for&a\geq0\\-a&for&a < 0\end{array}\right\\\\|-3|=3;\ |5|=5;\ |0|=0;\ |-12|=12$

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3 years ago

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The graph shows Marcia's walk. Which statement best describes what Marcia could be doing on the interval from B to C? A. Marcia

vodomira [7]

Answer:

B. Maria is walking home

Step-by-step explanation:

Sana nakatulong

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2 years ago

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PLEASE HELP? The standard form for the function is: P(x)=-5x^+120x-315.

dusya [7]

Answer:

P(x) = -5(x² - 12)² + 405

Step-by-step explanation:

P(x) = -5x² + 120x - 315

Factor out -5 from the first two terms

P(x) = -5(x² - 24x) - 315

Complete the square

P(x) = -5(x - 12)² - (-5(-12)²) -315

P(x) = -5(x - 12)² + 720 - 315

P(x) = -5(x - 12)² + 405

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2 years ago

Two step Equations <br> -2x-3=5

tatyana61 [14]

Answer:

X = -4

Step-by-step explanation:

-2 times -4 is 8. 8 - 3 is 5.

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2 years ago

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11-5 practice volumes of pyramids and cones

Minchanka [31]

Answer:

Step-by-step explanation:

Volume for a cone = 1/3 * pi * $r^{2}$ * h

Volume for a pyramid = 1/3 * area of base * h

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2 years ago