Do the operation and express the answer in a + bi form.
A) - 15 i
B) - 3 i
C) 3
D) 3 i
E) - 3
D) 3 i
Mathematics
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Find the prime factorization. Write the answer in exponential form.1491
A. 21 ? 71 B. 32 ? 71 C. 72 ? 71 D. 3 ? 7 ? 71
Mathematics
Use the graph of f to sketch a graph of the inverse of f using a dashed curve. 
A. 
B. 
C. 
D. 
Mathematics
Use the quotient rule to simplify the radical.
A. 
B. 
C. 
D. 
Mathematics
Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = 6, x = 3 B. x = -6 C. x = 6 D. none
Mathematics