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
Mathematics
Solve the equation.
= 
A. x = 
B. x = 
C. x = 
D. x = 1
Mathematics
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?
Mathematics
Solve by completing the square.a2 - 2a - 3 = 0
A. 3, -1
B. -2, -1
C. -3, 1
D. ± 
Mathematics