Identify which of the twelve basic functions listed below fit the description given.
y = x, y = x2, y = x3, y = |x|, y = 1/x, y = e^x, y = sqr(x), y = ln x, y = sin x, y = cos x, y = int(x), y = 1/1+e^- x
the three functions that are bounded above.
a. y = sin x, y = cos x, y = ln x
b. y = ln x, y = sqr (x), y = 1/1+e^- x
c. y = sin x, y = cos x, y = int (x) {this answer was wrong! }
d. y = sin x, y = cos x, y = 1/1+e^-x

step-by-step explanation:

there is a formula i can give you:

it is r^2*n*sin(360/n) divided by 2 where r represents the "radius" and n is the number of sides.

plug them in:

(10sqrt(3))^2*6*sin(360/6) divided by 2

100*3*6*sin(60) divided by 2

900*sin(60)

900*sqrt(3)/2

450*sqrt(3)

approx is 779.4 cm^2

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step-by-step explanation:

just for that im not answering

we have three similar triangles, because each has a right angle and shares an angle.   let's write the angles in order: opposite to short leg, long leg, hypotenuse.

cab similar to bad similar to cbd

or as ratios,

ca: ab: cb = ba: ad: bd = cb: bd: cd

we also know

ac = ad + cd

(ad+cd): ab: cb = ba: ad: bd = cb: bd: cd

(ad+cd)/cb=cb/cd

we have cb=6, ad=5 and seek x=cd.

we reject the negative root and conclude x=4

answer: 4