?Let 
. Define an operation 
as 
. Check the
commutative and associative properties.
?
A. associative but not commutative
B. neither
C. associative and commutative
D. commutative but not associative
Answer: B
Mathematics
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Express the integrand as a sum of partial fractions and evaluate the integral.
A. 
- 10x + 75 ln
+ 
+ C
B. 75 ln
+ 
- 
+ C
C. 
- 10x + 15 ln
- 
+ C
D. 
- 10x - 75 ln
+ 
+ C
Mathematics
Decide whether or not the given equation is an identity.sin(45° + x) = sin x + cos x
A. Yes B. No
Mathematics
Use the formula for Sn to find the sum for the geometric sequence.1, 2, 4, 8, 16
A. 33 B. 31 C. 32 D. 21
Mathematics
Use a positive rational exponent to write the expression.
A. 
B. 8w3/4
C. 
D. 8w4/3
Mathematics