Answer the question.Use the mathematical machine to find the output corresponding to an input of 12.
A. 13
B. 202
C. 39.5
D. -19
Answer: C
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A tricycle has a large wheel in front, with radius 18", and a small wheel in back, with radius 6". If the large wheel makes 3 revolutions, how many revolutions does the small wheel make?? ?
A. ?3 B. ?6 C. ?9 D. ?24 E. ?18
Sketch the graph of the quadratic function. Identify the vertex and the axis of symmetry.f(x) = -3x2 + 6x - 5
A. vertex: (-1, -2)
axis of symmetry: x = -1
B. vertex: (-1, -2)
axis of symmetry: x = -1
C. vertex: (1, -2)
axis of symmetry: x = 1
D. vertex: (1, -2)
axis of symmetry: x = 1
Solve the problem.Find the length and width of a box whose volume is 
, whose surface area is 
, and whose height is 
.
A. 48 ft and 48 ft B. 65 ft and 35 ft C. 130 ft and 17.5 ft D. 32.5 ft and 70 ft
Match the story with the correct figure.Mark started out by walking up a hill for 5 minutes. For the next 5 minutes he walked down a steep hill to an elevation lower than his starting point. For the next 10 minutes he walked on level ground. For the next 10 minutes he walked uphill. Determine which graph of elevation above sea level versus time illustrates the story.
A. 
B. 
C.
D. 