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Kruka [31]
3 years ago
6

Wich of the following functions maps 3 to -5?

Mathematics
1 answer:
kolezko [41]3 years ago
5 0

Answer:

A

Step-by-step explanation:

Consider all options and find f(3):

A.

Then

Not -5, so this option is false.

B.

Then

This option is true.

C.

Then

Not -5, so this option is false.

D.

Then

Not -5, so this option is false.

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Colt1911 [192]
The radius of the circle is 15 cm,
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The radius is given in the diagram as half the circle, which is 15 cm.

The diameter is double the radius because the diameter measures the circle from edge to edge, so 15•2=30 cm.

The circumference of the circle is 2•3.14•r=C,
2•3.14=6.28, 6.28•15= 94.248 cm.

The area of the circle is 3.14•r^2, so the radius squared is 225 (15•15) and 225•3.14=706.86 cm squared :)
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When solving a system of two linear equations
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Answer:

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Step-by-step explanation:

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