Solve the problem.If f(x) = , find f(2).

A.
B.
C.
D.


Answer: A

Mathematics

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Use integration by parts to establish a reduction formula for the integral.

A.  = xn ex -  
B.  = xn ex - n 
C.  = xn ex + n 
D.  = xn ex - n 

Mathematics

Factor by grouping.20p2q - 105pq2 + 100q3

A. 5(4p - 5q)(p - 4q2) B. q(20p - 25q)(p - 4q) C. 5q(4p - 4q)(p - 5q) D. 5q(4p - 5q)(p - 4q)

Mathematics

Factor out the GCF from the polynomial. If the GCF is 1, write prime.7x2 + 21x - 28

A. 7(x2 + 3x - 4) B. 7(x2 + 14x - 21) C. 7x(x + 3 - 4) D. 7(x2 + 21x - 28)

Mathematics

Solve the system by graphing. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.

A. {(-4, 2)} B. {(-4, -2)} C. no solution; ? D. {(-2, -4)}

Mathematics