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Math 4 Review Test #4 Flashcards | StudBud

Explore/Math 4 Review Test #4

Math 4 Review Test #4

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Questions 10

Answers

1
What is the radius of the unit circle?
3
1.5
2
1
2
If f(x) = 2x - 5 and g(x) = 4x, calculate g(f(6))
28
7
24
43
3
What is the range of this graph?
negative infinity <y <4
- 4 < y < infinity
negative infinity < x <4
4 < x < infinity
4
What is the basis for all of trigonometry?
The ratios of the measurements of a circle.
The formulas for the different shapes.
The formulas that are used in geometry.
The ratios of the sides of a triangle.
5
What is one way to define trigonometry?
The study of shapes.
The measuring of circles.
The tough part of geometry.
The measuring of triangles.
6
Use either Law of Cosines or Law of Sines. Find missing side BC.
27
42.90
BC= 16.99
21.86
7
Which ratio is sine?
Opposite/adjacent
Opposite/hypotenuse
None of the above
Adjacent/hypotenuse
8
What are the restrictions of this function?
x > 8, x < 8
-∞ < y < ∞
y = 5
x = 5
9
Evaluate the following piecewise function for x = 2 and x = -7.
(2, 8) and (-7, -21)
(2, 8) and (-7, 11)
(2, 7) and (-7, -11)
(2, 8) and (-7, -11)
10
Use either Law of Cosines or Law of Sines. Find missing side AB.
AB=34.56
AB= 15.54
AB= 21.89
AB=30.995