Write the mixed number as an improper fraction. 7
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Graph the curve described by the function, indicating the positive orientation.r(t) = 
, for 0 ? t ? 2?
A. 
B. 
C. 
D. 
Mathematics
Solve the equation for solutions in the interval [0, 2?).2
sin 4x = 3
A. 
B. 
C. {0}
D. 
Mathematics
Write the indicated sum in sigma notation.8 + 82 + 83 + . . . + 811
A. 
B. 8
C. 
D. 8
Mathematics
Combine like terms, if possible.9a - 2a + 7
A. -7a + 7 B. 7a + 7 C. 14a D. Cannot be simplified
Mathematics