Evaluate the expression.(-4)-2
A. 16
B. - 
C. -16
D. 
Answer: D
Mathematics
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Find the curvature of the curve r(t).r(t) = (9 + ln(sec t))i + (7 + t)k, -?/2 < t < ?/2
A. ? = cos t B. ? = -cos t C. ? = 1 - cos t D. ? = sin t
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Find the domain and range of the relation.{(6, 3), (6, -9), (6, -2.6)}
A. Domain = {-9, -2.6, 3}; range = {6} B. Domain = {6}; range = {-9, -2.6, 3} C. Domain = {6}; range = {-9, -2.6, 3, 6} D. Domain = {3, 6}; range = {-9, -2.6}
Mathematics
For 
, E lies on side 
so that 
. For 
,
what name is given to the line segment 
?
What will be an ideal response?
Mathematics