Add or subtract.
+ 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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For the smooth curve r(t), find the parametric equations for the line that is tangent to r at the given parameter value 
r(t) = (3 sin t)i - (8 cos 3t)j +e-7tk ; to = 0
A. x = 3t, y = -8, z = 1 - t B. x = 3t, y = 8, z = 1 + t C. x = 3, y = -8t, z = -7 + t D. x = 3t, y = -8, z = 1 - 7t
Mathematics
Decompose the fraction into partial fractions.
?
What will be an ideal response?
Mathematics
Evaluate the expression for the given replacement values.x + y for x = 14, y = 23
A. 46 B. 73 C. 37 D. 55
Mathematics
Solve the system of equations using elimination.
A. x = 0, y= -8; x = 0, y = 8 B. x = -8, y= 0; x = 8, y = 0 C. x = 0, y= -3; x = 0, y = 3 D. inconsistent
Mathematics