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Inessa [10]
2 years ago
5

Score: 0 of 1 pt

Mathematics
1 answer:
jonny [76]2 years ago
7 0

Answer:

See attachment for graph

Step-by-step explanation:

Given

y = x^2 - 3

Required

The graph of the equation

First, we determine the range of y

x = -3

y = x^2 - 3 \to y = (-3)^2 - 3 = 6

(-3,6)

x = -2

y = (-2)^2 - 3 = 1

(-2,1)

x = -1

y = (-1)^2 - 3 = -2

(-1,-2)

x=0

y = 0^2 - 3 = -3

(0,-3)

x = 1

y= 1^2 - 3 = -2

(1,-2)

x = 2

y =2^2 - 3 = 1

(2,1)

x = 3

y = 3^2 - 3 = 6

(3,6)

<em>See attachment for graph</em>

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A tower that is 125 feet tall casts a shadow 173 feet long find the angle of elevation of the sun to the nearest degree
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Applying the tangent ratio, the angle of elevation of the sun, to the nearest degree, is: 36°.

<h3>What is the Tangent Ratio?</h3>

In a right triangle, tan ∅ = opposite length / adjacent length is the tangent ratio.

Given the following:

  • Angle of elevation = ∅
  • Opposite length = 125 ft
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Apply the tangent ratio:

tan ∅ = 125/172

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