Find the cross-product and determine whether the proportion is true or false.
= 
A. 2160 ? 2340; false
B. 2340 = 2340; true
C. 4640 ? 486; false
D. 2160 = 2160; true
Answer: A
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Use a grapher to graph the function.The electric current in a certain circuit is given by 
where i is in milliamperes and t is in milliseconds. Sketch two cycles of i as a function of t. Label the point on the horizontal axis which represents the end of the second cycle.
A. 
B. 
C. 
D. 
Provide an appropriate response.Add: 8 + 510 + 2,095 + 77
A. 10,681 B. 5,185 C. 22,895 D. 2,690 E. none of the above
A spherical balloon with radius inches has volume  FIGURE 1.png)
Find a function that represents the amount of air required to inflate the balloon from a radius of r inches to a radius of r + 1 inches.
What will be an ideal response?
Provide an appropriate response.In a graduated payments mortgage, the payments 
, while in an adjustable-rate mortgage, the rates 
.
A. become larger, may change up or down B. become smaller, may change up or down C. become smaller, likely will go up D. become larger, likely will go down