Solve the problem.Two pulleys of diameters 6 m and 3 m are connected by a belt. The larger pulley rotates 42 times per min. Find the angular speed of the smaller pulley.
A. 84? radians per min
B. 126? radians per min
C. 168? radians per min
D. 252? radians per min
Answer: C
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Answer the question.The bar graph below shows the number of car accidents occurring in one city in each of the years 1993 through 1998. The number of accidents dropped in 1995 after a new speed limit was imposed. Why is the graph misleading? How would you redesign the graph so that it is less misleading? What impression is conveyed by the graph?
What will be an ideal response?
For the functions f(x) and g(x), determine the domain of (f + g)(x) (the sum of f and g).f(x) = 
, g(x) = 6x2 - 5
A. {x ? x is a real number} B. {x ? x is a real number and x ? -6} C. {x ? x is a real number and x ? 0} D. {x ? x is a real number and x ? 5}
Identify the equation without applying a rotation of axes.x2 + 6xy + 9y2 - 2x + 2y + 9 = 0
A. parabola B. hyperbola C. ellipse D. not a conic
Use even and odd properties of the trigonometric functions to find the exact value of the expression.cot 
A. -
B. 
C. 
D. - 