Answer:
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Answer:
Domain: (-∞, ∞), or x∈R, or -∞<x<∞
Range: (-∞, ∞), or y∈R, or -∞<y<∞
Step-by-step explanation:
Domain and range are all real numbers. Domain is all values of x, range is all values of y.
Domain: (-∞, ∞), or x∈R, or -∞<x<∞
Range: (-∞, ∞), or y∈R, or -∞<y<∞
Let the height of the three be h and the distance between student A and the tree be x, then
tan 57 = h/x
x = h/tan 57
tan 46 = h/(x + 1)
x + 1 = h/tan 46
h/tan 57 + 1 = h / tan 46
h / tan 46 - h / tan 57 = 1
h(tan 57 - tan 46) = tan 46 tan 57
h = tan 46 tan 57 / (tan 57 - tan 46) = 3.2 yards