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
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
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
Mathematics
Perform the row operations on the matrix and write the resulting matrix.Replace R2 by R1 +
R2
A.
B.
C.
D.
Mathematics