Solve the problem.The number of books in a small library increases according to the function 
where t is measured in years. How many books will the library have after 4 years?
A. 1887 books
B. 3298 books
C. 4279 books
D. 4345 books
Answer: B
Mathematics
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Use a graph to solve the system.x - y = 2x + y = 14
A. {(16, 12)} B. {(12, 16)} C. {(8, 6)} D. {(6, 8)}
Mathematics
Evaluate the determinant.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Let f(t) be the solution of y' = y2t + y + et, f(0) = 2. If Euler's method with n = 4 is used to approximate f(t) for 
find f
.
A. 2(4 + 
)
B. 
+ y + e1/2
C. 3 + e2
D. 
E. none of these
Mathematics
Multiply.(3y - 7)(9y2 + 21y + 49)
A. 27y3 - 343 B. 9y3 + 343 C. 27y3 + 147y2 - 343 D. 27y3 + 343
Mathematics