Evaluate the integral.
d?
A. 
sin 
? - 
sin 
? + C
B. 
sin 
? + 
sin 
? + C
C. 
sin 3? + 
sin 7? + C
D. 
cos 
? + 
cos 
?+ C
Answer: B
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Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = 2x + 1, [0, 2], left-hand endpoint
A. 
B. 
C. 
D. 
Find the product and simplify.
? 
A. 32
B. 20
C. 20
D. 40
Translate the sentence into if-then form. ? All useless life is an early death. ?
A. If it is a useless life, then it is not an early death. B. If it is a useless life, then it is an early death. C. If it is an early death, then it is not a useless life. D. If it is an early death, then it may be a useless life. E. If it is an early death, then it is a useless life.
Find the solution to the system of equations by substitution.-4x - 3y = -11 x - 2y = 22
A. (-8, -6) B. (7, -6) C. (8, -7) D. no solution