Simplify. Combine like terms if possible.-2k2 + 9k
A. 7k2
B. -11k2
C. 7k3
D. Not like terms
Answer: D
Mathematics
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Evaluate the integral by using multiple substitutions.
dx
A. 
+ C
B. 
+ C
C. 
+ C
D. 
+ C
Mathematics
Evaluate the expression.-73
A. 21 B. -21 C. -343 D. 343
Mathematics
Identify each pair of supplementary angles.
A. ?ARS and ?BRS; ?BRQ and ?QRA B. ?ARS and ?BRQ; ?QRA and ?BRS C. ?ARS and ?BRS; ?BRS and ?QRB; ?ARS and ?BRQ; ?QRA and ?BRS D. ?ARS and ?BRS; ?BRS and ?QRB; ?QRA and ?SRA; ?BRQ and ?QRA
Mathematics
Decide whether or not the functions are inverses of each other.f(x) = 
, g(x) = 3 - x2
A. No B. Yes
Mathematics