Determine the order of the matrix.
A. 2
B. 8
C. 2 × 4
D. 4 × 2
Answer: D
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A 1.5-mm layer of paint is applied to one side of the following surfaces. Find the volume of paint needed. Assume that x and y are measured in meters.The spherical zone generated when the curve y = 
on the interval [4, 7] is revolved about the x-axis.
A. 
m3
B. 
? m3
C. 24? m3
D. 
? m3
Perform the indicated operation and simplify.
- 
A. 2x + 8
B. 
C. 
D. 
Solve the problem.A study in a small town showed that the percent of residents who have college degrees can be modeled by the function 
where x is the number of years from 2010. Rewrite the model with x equal to the number of years from 2015.
A. 
B. P = 32x0.31 - 5
C. P = 32x0.31 + 5
D. 
Solve the problem.A certain store has a fax machine available for use by its customers. The store charges $2.35 to send the first page and $0.70 for each subsequent page. The total price, P, for the faxing x pages can be modeled by the formula 
. Determine the number of pages that can be faxed for $9.35.
A. 57 pages B. 11 pages C. 4 pages D. 13 pages