Multiply.(3x + 7)2
A. 3x2 + 42x + 49
B. 9x2 + 42x + 49
C. 9x2 + 49
D. 3x2 + 49
Answer: B
Mathematics
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Use the graph of the polynomial function f(x) to solve f(x) = 0.
A. -2, 3
B. -2, 
, 3
C. -3, 2
D. -3, - 
, 2
Mathematics
Use the graph and the factor theorem to list the factors of f(x).y = f(x)
A. (x - 12), (x + 12) B. x, (x - 12), (x + 12) C. x, (x - 6), (x + 6) D. (x - 6), (x + 6)
Mathematics
Find f.
Mathematics
Solve the problem.The diagram below shows the side view of a plan for a slanted roof. Find the unknown length in this roof plan. Round approximations to the nearest tenth. 
20 ft
A. 17.5 ft B. 12.5 ft C. 25 ft D. 312.5 ft
Mathematics