Identify the like terms in the polynomial.2x3 + 7x2 - 7x3
A. x3
B. 2x3 and 7x3
C. 2x3 and -7x3
D. None of the terms are like.
Answer: C
Mathematics
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Evaluate the integral by making a substitution and then using a table of integrals. 
A. 9 sin-1
- 
+ C
B. 9 sin-1
- 
+ C
C. 
- 3 ln
+ C
D. 9 sin-1
+ x
+ C
Mathematics
Find an approximate value for the integral, using Simpson's rule with n intervals.
, n = 4
A. 
B. 
C. 
D. 
Mathematics
Find the limit.
cosh x
A. -? B. 1 C. 0 D. ?
Mathematics
Write the expression in the standard form a + bi.
A. -1 + 10i B. -1 + 3i C. -1 - 3i D. 1 + 3i
Mathematics