Select all the correct answers. Which statements are true about the functions y
sin(x), y
www
cos(t), and
and y =
tan(a)?
are all real numbers.
The domains of y = sin(x), y cos(x), and y tan(s)
Both y = sin(x) and y tan(x) are increasing on the interval (0, 2), and y = Cos(x)is
decreasing on that interval.
The graphs of y sin(x) and y Cos(x) do not have midlines,
The periods of y = sin(x) and y = C03(x) are 21, and the period of y = tan(x) is a
The amplitudes of y = sin(x), y = cos(x) and y = tan(x) are 1.
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step-by-step explanation:

the total estimated nappy use.=10,500,000

step-by-step explanation:

given that on an average the average baby uses 3528 napkins.

in a particular year 2014, the number of births were 299697 in new south wales.

rounding off the number of births to the nearest hundred thousand we have

no of birtsh = 300000

also rounding off the average usage to nearst thousand we get

average use of a baby = 3500

hence total number of nappy estimated to be used = 3500x300000

= 10,500,000

answer is 10,500,000 nappies

the answer is b