Write the first four terms of the recursive sequence.a1 = 2, an =   for n ? 2

A. 21
B. 2
C. 221
D. 22


Answer: B

Mathematics

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Find the extreme values of the function subject to the given constraint.  

A. Maximum: 400 at    minimum: -400 at  
B. Maximum: 400 at    and    minimum: -400 at    and  
C. Maximum: 400 at    minimum: 0 at  
D. Maximum: 400 at    and    minimum: -400 at    and  

Mathematics

Convert the following angles in radians to degrees:

a. 1.57 rad b. 3.91 rad c. 5.40 rad d. 0.41 rad

Mathematics

Solve the system by addition.0.15x + 0.03y = 0.125x + y = 4

A.
B.
C.
D. ?

Mathematics

Find all solutions to the equation in the interval [0, 2?).cos 2x - cos x = 0 

A.
B. 0, 
C. 0, 
D. No solution

Mathematics