Graph the function as a solid curve and its inverse as a dashed curve.f(x) = 5x 
A. 
B. 
C. 
D. 
Answer: C
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Convert the rectangular coordinates of the point to polar coordinates (r, ?) with r > 0 and 0 ? ? < 2?.(3, 0)
A. (3, ?)
B. 
C. 
D. (3, 0)
Select the graph of the quadratic function 
. Identify the vertex and axis of symmetry.
?
A. 
?
?
Vertex: (0, 3)
Axis of symmetry: y-axis
B.
?
?
Vertex: (0, 1)
Axis of symmetry: y-axis
C.
?
?
Vertex: (0, 5)
Axis of symmetry: y-axis
D.
?
?
Vertex: (0, 4)
Axis of symmetry: y-axis
E. ?
?
?
Vertex: (0, 2)
Axis of symmetry: y-axis
Solve the problem.The loudness of a sound can be approximated by the formula d = 10 log10 
, where d is the number of decibels. The higher the value of d, the louder the sound. Find the number of decibels when 
and 
A. 12 decibels B. 20 decibels C. 2 decibels D. 100 decibels
Find the quotient.
A. 19.7 B. 1.97 C. 0.97 D. 9.7