Find the vertex of the parabola and determine if it is a maximum or minimum. y = - 
x2
A. (0, 0); minimum
B. (0, 0); maximum
C. 
; minimum
D. 
; maximum
Answer: B
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Find the surface area or volume.The region between the curve y = sinx, 0 ? x ? 2.1, and the x-axis is revolved about the x-axis to generate a solid. Use a table of integrals to find, to two decimal places, the volume of the solid generated.
A. 3.98 B. 4.06 C. 4.21 D. 3.80
Use a calculator with a 
key or a 
key to solve the problem.The exponential function 
describes the price P, in dollars, of a movie ticket in a local cinema in year x, assuming a yearly inflation rate of 
What was the original ticket price (year 0)? What will the price be in year 9?
What will be an ideal response?
Find the product.
A. 10x2 - 
B. 100x2 + 
C. 100x2 - 
x - 
D. 100x2 - 
Write the following as a rate in lowest terms.66 employees for 4 companies
A. 
B. 
C. 
D. 