Graph the inequality.-2x - 5y ? 10
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use the given functions to find the requested function.f(x) = 2x + 5, g(x) = 4x2Find (f + g)(x).
A. 8x3 + 20x
B. 
C. 2x + 5 + 4x2
D. 2x + 5 - 4x2
Mathematics
Evaluate.6P0
A. 1 B. 1440 C. 720 D. 0.5
Mathematics
Solve.There are n people in a room. The number N of possible handshakes by all the people in the room is given by the function N(n) = 
. For what number n of people is 28 ? N ? 231 ?
A. {n|9 ? n ? 21} B. {n|8 ? n ? 22} C. {n|7 ? n ? 24} D. {n|10 ? n ? 21}
Mathematics
Determine the x-intercept(s): 
A. 
B. 
C. 
D. none of these
Mathematics