Graph the system of inequalities.x - 2y ? 2x + y ? 0
A. 
B. 
C. 
D. 
Answer: C
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Find the function with the given derivative whose graph passes through the point P.r'(?) = 7 - csc2?, P
A. r(?) = 7? - cot? - 
? - 2
B. r(?) = 7? - cot? - 
? + 2
C. r(?) = 7? + cot? - 
? - 1
D. r(?) = 7? + cot? - 
? + 1
Add or subtract the functions, as indicated.P(x) = x3 - 9x - 20, Q(x) = 3x3 + x2 + 4x + 14; Find (P + Q)(x).
A. 4x3 + x2 - 13x - 34 B. 4x3 - x2 - 5x + 6 C. 4x3 + x2 - 5x - 6 D. 3x3 + x2 - 5x - 6
Use the x-intercepts to find the intervals on which the graph of f is above and below the x-axis.f(x) = (x + 2)2
A. above the x-axis: (-?, -2), (-2, ?) below the x-axis: no intervals B. above the x-axis: (-2, ?) below the x-axis: (-?, -2) C. above the x-axis: (-?, -2) below the x-axis: (-2, ?) D. above the x-axis: no intervals below the x-axis: (-?, -2), (-2, ?)
Simplify.240 ÷ 8 - 3
A. 235 B. 48 C. 229 D. 27