Find the largest open intervals where the function is concave upward.f(x) = x2 + 2x + 1
A. None
B. (-1, ?)
C. (-?, -1)
D. (-?, ?)
Answer: D
Mathematics
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Add.43 miles + 58 miles
A. 201 miles B. 111 miles C. 101 miles D. 91 miles
Mathematics
Perform the indicated operation and simplify if possible.
A. 
B. 
C. 4
D. 2
Mathematics
Write the ratio in lowest terms.52 to 64
A. 
B. 
C. 
D. 
Mathematics
Solve.For G(x) = x3 - 11x2 + 30x, find all x-values for which G(x) ? 0.
A. [6, ?) or {x|x ? 6} B. [0, ?) or {x|x ? 0} C. (-?, 5] or {x|x ? 5} D. [5, 6] or {x|5 ? x ? 6}
Mathematics