Multiply and simplify.3-6 ? 39
A. 312
B. 1
C. 39
D. 33
Answer: D
Mathematics
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Integrate the function.
dt
A. - 
+ C
B. - 
+ C
C. 
+ C
D. - 
+ sin-1 6t + C
Mathematics
For the quadratic function, tell whether the graph opens up or down and whether the graph is wider, narrower, or the same shape as the graph of 
f(x) = 3x2 - 5
A. Up; wider B. Down; wider C. Down; narrower D. Up; narrower
Mathematics
Round the number to the place indicated.Round to the nearest tenth: 10.488
A. 10.49 B. 10.5 C. 10.6 D. 10.4
Mathematics
Find all values of ?, if ? is in the interval [0, 360°) and has the given function value.cos ? = 
A. 135° and 225° B. 225° and 315° C. 45° and 225° D. 30° and 330°
Mathematics