For the given functions f and g , find the indicated composition.f(x) = 7x + 12,g(x) = 3x - 1(f?g)(x)

A. 21x + 11
B. 21x + 35
C. 21x + 19
D. 21x + 5


Answer: D

Mathematics

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Write a polynomial in two variables that describes the total area of the shaded region. Express the polynomial as the sum or difference of terms.

A. x2 + y2 B. xy + 2y2 C. 2xy + y2 D. 2xy + 2y2

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Solve the equation. = 

A. x = 
B. x = 
C. x = 
D. x = 1

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Graph the linear inequality by shading the points not satisfying it.Rewrite the inequality 3x - 2y ? 12 in standard form, then graph it.

What will be an ideal response?

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Solve by completing the square.a2 - 2a - 3 = 0

A. 3-1 
B. -2, -1
C. -31 
D. ± 

Mathematics