Answer:
It is the third one.
Step-by-step explanation:
Since the question is asking us that h(x) represents the height of the bridge the answer can be determined.
<span>radius = 27 cm
apothem = 13.5 cm
Since you have an equilateral triangle with a perimeter of 81*sqrt(3), you can just divide the perimeter by 3 to get the length of a side, which is 27*sqrt(3).
We can construct a triangle to get the radius as a right triangle with one leg being 27*sqrt(3)/2 in length and the angles being 60/2 = 30 and 180-90-30 = 60 degrees.
The tangent of 30 degrees is 1/sqrt(3). So the length of the other leg will be 27*sqrt(3)/2 / sqrt(3) = 27/2. And finally, the hypotenuse will be twice that since it's a 30/60/90 triangle for a length of 27. And conveniently, the hypotenuse is the radius we desire. And also, quite conveniently, the apothem is the short leg of the 30/60/90 triangle which is 27/2 = 13.5 cm.</span>
Answer: Neither linear nor exponential (choice B)
Through interpolation, a graphing calculator, or trial and error, you can find the function to be f(x) = 2x^2. This is a polynomial function. It is not linear as it graphs out a curved parabola. It's not exponential either since the exponent isn't a variable. This also can be considered a power function.
Step-by-step explanation:
5. Radius is 9.5
6. Radius is 3
hope this helps
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