Solve the equation. Simplify. If the solution is an improper fraction, write it as a mixed number.
? n = 1
A. n = 4
B. n = 1
C. n = 2
D. n = 3
Answer: D
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Write the equation for the shape described.The upper semicircle centered at (0, 0) with radius 3
A. y = -
B. y =
C. y =
D. y =
Graph the circle using the given equation.(x - 2)2 + (y - 3)2 = 16
A. 
B. 
C. 
D. 
Solve the problem.After being struck with a hammer, a gong vibrates 72 vibrations in the first second and in each second thereafter makes 
as many vibrations as in the previous second. Find how many vibrations the gong makes before it stops vibrating.
A. 79 vibrations B. 504 vibrations C. 84 vibrations D. 514 vibrations
Give the equation of the function g whose graph is described.The graph of f(x) = ?x? is vertically stretched by a factor of 4.8. This graph is then reflected across the x-axis. Finally, the graph is shifted 0.3 units downward.
A. g(x) = -4.8?x? - 0.3 B. g(x) = 4.8?x - 0.3? C. g(x) = 4.8?x? - 0.3 D. g(x) = 4.8?-x? - 0.3