judyd452
05.09.2020 •
Mathematics
Using the letter n to represent a number, express "four less than twice this number” in terms of n.
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Ответ:
2n-4
Step-by-step explanation:
You're subtracting 4 from the product of n times 2
Ответ:
The correct answer option is tan x and cot x.
Step-by-step explanation:
We are given the following functions and we are to determine whether which of them have a range of all real numbers:
Range is the values of y which a function can take so range of tan x and cot x are all real numbers.
Period of tan x and cot x is
.