Solve using the percentage proportion.140% of what number is 84?
A. 196
B. 19,600
C. 60
D. 600
Answer: C
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Answer the question.Use the equation 5x2 + 2x = c to explain how to solve a quadratic equation by completing the square.
What will be an ideal response?
Without graphing, describe the shape of the graph of the function and complete the ordered pairs 
and 
f(x) = 4-x
A. The graph lies above the x-axis, falls from left to right, with the negative 
as a horizontal asymptote; 
B. The graph lies above the x-axis, falls from right to left, with the positive 
as a horizontal asymptote; 
C. The graph lies above the x-axis, falls from left to right, with the positive 
as a horizontal asymptote; 
D. The graph lies above the x-axis, falls from right to left, with the negative 
as a horizontal asymptote; 
Solve.
- 4 = 0
A. x = 
B. x = 16
C. no solution
D. x = 
Solve the problem.The annual revenue and cost functions for a manufacturer of precision gauges are approximately 
and 
where x denotes the number of gauges made. What is the maximum annual profit?
A. $1,403,333 B. $1,203,333 C. $1,303,333 D. $1,103,333