Simplify.
[7 (2+3)] -2
O A.33
O B.21
O C. 12
O D.15

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

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Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).