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mash [69]
3 years ago
15

16. Evaluate this piecewise function at x=-4 and x=4

Mathematics
1 answer:
cupoosta [38]3 years ago
7 0
I got it! Each function (x=) is solved separately. First is x= -4. You take that and replace all x's with -4. If the "if x..." is true you use the function in front to solve. In this case the x_<-4 is true for -4 equaling x. The function is front is x^2. So substitute the x for -4 and solve. -4^2 is 16.   Next you have the other one x=4. The function that goes with this one is the last one, substitute x for 4 and your answer is 2. The answers are 16 and 2. I hope this helps!

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pashok25 [27]

Answer:

1. 4 and 1/6

2. 2 and 11/12

Explanation:

convert to improper fraction: 11/2 - 4/3

same denominator: 33/6 - 8/6

subtract: 25/6

convert to mixed number: 4 and 1/6

6 0
2 years ago
_x_=-0.75 The two rational numbers have to have what in common?
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Answer:

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3 years ago
Find the distance between the two points rounding to the nearest tenth (if necessary). (-7, -5)(-3, 4)
aleksklad [387]

Answer:

9.8 ( to the nearest tenth )

Step-by-step explanation:

calculate the distance using the distance formula

d = √( x₂ - x₁ )² + ( y₂ - y₁ )²

with (x₁, y₁ ) = (- 7, - 5) and (x₂, y₂ ) = (- 3, 4)

d = \sqrt{(-3+7)^2+(4+5)^2} = \sqrt{16+81} = \sqrt{97} = 9.8


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3 years ago
The base of a rectangular prism has an area of 8 square meters. The height of the rectangular prism is 5 meters.
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