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Makovka662 [10]
3 years ago
6

F(x) = { -2x -1, x ≤ 2

Mathematics
1 answer:
Degger [83]3 years ago
8 0

Answer:

Use the appropriate entry method for piecewise functions for the graphing calculator of interest.

Step-by-step explanation:

For Desmos, the entry looks like ...

f(x) = {x ≤ 2: -2x-1,-x+4}

_____

For a TI-84 calculator, the entry may look like ...

Y₁ = (-2X–1)(X≤2) + (-X+4)(X>2)

The symbols ≤ and > come from the TEST menu, which is the (2nd) shift of the MATH key.

Note that the function is the sum of the pieces, each piece multiplied by a test. For something like 0≤x<2, the multiplier would be a pair of tests:

... (0≤X)(X<2)

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Answer:

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Step-by-step explanation:

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3 years ago
What is 18+(-8) + 11 simplified?
FromTheMoon [43]
18 + (-8) + 11

Adding a negative number is the same as subtracting a positive number. So "18-8" is the same thing as "18+ -8".

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Define an operation ‘&amp;’ on the set of positive integers such that: 2 &amp; 1 = 5 3 &amp; 2 = 13 5 &amp; 3 = 34
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AveGali [126]
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Answer:

this \: paper \: needs \: to \: be \: folded \:  \\  \underline{ \boxed{twice \: (2 \: times)}}

Step-by-step explanation:

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3 years ago
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