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katen-ka-za [31]
3 years ago
14

If the function f is given by f(x)=2x2−4, then which of the following represents the value of c such that f(c)=28?

Mathematics
1 answer:
Zigmanuir [339]3 years ago
4 0
I believe the answer is C. 4
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Yakvenalex [24]

Answer:

The number u are looking for is 4

Step-by-step explanation:

Let X be the unknown number that we want to find.

So it becomes,

2X = 8

move 2 to the other side, so it becomes a divide

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0.04 is 1/10 of what number
bulgar [2K]
If you would like to calculate 1/10 of what number is 0.04, you can do this using the following steps:

1/10 of what number is 0.04
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x = 0.04 * 10
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Nata [24]

Answer:

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Step-by-step explanation:

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