Find the domain of the composite function f ? g.f(x) = 4x + 12; g(x) = x + 2

A. {x 
B. {x 
C. {x 
D. {x 

Answer: D

Mathematics

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Solve the equation. =  - 

A.
B. - 
C. 1
D. no solution

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Mathematics

Complete the square. Then write the trinomial square in factored form.x2 + 9x

A. x2 + 9x; 2
B. x2 + 9x + 81; 2
C. x2 + 9x + ; 2
D. x2 + 9x + ; 2

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Mathematics

Use the discriminant to determine the number of real solutions.(2 + 2x)2 = 0

A. One real solution B. Two real solutions C. No real solutions

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Mathematics

Perform the row operations on the matrix and write the resulting matrix.Replace R2 by R1 + R2

A.

B.

C.

D.

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Mathematics