Solve the inequality. Express your answer using interval notation.17 ? 4x + 1 ? 21
A. (-5, -4)
B. [-5, -4]
C. [4, 5]
D. (4, 5)
Answer: C
Mathematics
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Mathematics
Find the equation in standard form of the parabola described.The vertex has coordinates (1, 9), and the focus has coordinates (1, 6).
A. (y - 9)2 = -20(x - 1) B. (x - 1)2 = -12(y - 9) C. (x - 1)2 = 12(y - 9) D. (y - 9)2 = 20(x - 1)
Mathematics
Given f(x) and g(x), find the following.f(x) = x2 + 9x and g(x) = x - 6. Find (f + g)(x) and (f + g)(4).
A. 2x2 + 3x; 44 B. x2 + 10x - 6; 50 C. x2 + 9x - 6; 46 D. x2 + 10x - 6; 46
Mathematics
The polar coordinates of a point are given. Find the rectangular coordinates of the point.
A. 
B. 
C. 
D. 
Mathematics