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