Decide whether the statement is always true, sometimes true, or never true.The sum of two positive numbers is positive.
A. Never true
B. Sometimes true
C. Always true
Answer: C
Mathematics
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Find the length of the parametric curve defined over the given interval.x = 3 sin3 t, y = 3 cos3 t, 0 ? t ? ?
A. 6 B. 18 C. 3 D. 9
Mathematics
Find a formula for the nth term of the sequence.1, - 
, 
, - 
, 
(reciprocals of squares with alternating signs)
A. an = 
B. an = 
C. an = 
D. an = 
Mathematics
Graph.f(x) = log5 x
A. 
B. 
C. 
D. 
Mathematics
Determine the size of the matrix.
A. 3 × 2 B. 2 × 4 C. 2 × 3 D. 4 × 2
Mathematics