A young tree is planted in the center of an equilateral triangle. Three wires are attached to the tree as shown. Why should the wires all be the same length? Assuming the dimensions shown, how long should each wire be?
The base of the tree being at the center of an equilateral triangle means that it is equidistant
from the vertices.The tree is held perpendicular to the ground so the three triangles formed by the tree, the wires and the distance from the tree to the vertices of the equilateral triangle are congruent by LL. The length of each wire should be approximately 3.8 feet.
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Solve the problem.If f(x) = 
, g(x) = 
, and h(x) = 4x+ 16, find f(g(h(x))).
A. 
B. 4
+ 16
C. 
D. 
+ 4
Determine a window which gives a complete graph of the polynomial function.f(x) = 2x4 + 2x3 - 4x2 - 3x - 6
A. [-3, 3] by [-10, 5] B. [-3, 3] by [-3, 4] C. [-2, 2] by [-10, -5] D. [-5, 5] by [-2, 1]
Solve the problem.The distance d in miles that can be seen on the surface of the ocean is given by 
where h is the height in feet above the surface. How high (to the nearest foot) would a platform have to be to see a distance of 18.5 miles?
A. 342 ft B. 154 ft C. 410 ft D. 238 ft
For the given initial investment, simple interest rate, and time of investment, find the total value of the investment. Round to the nearest cent.$6000 at 4% for 18 months
A. $9600.00 B. $6360.00 C. $10,320.00 D. $360.00