The following question(s) refer to a fractal defined by the recursive procedure :
What is the length of the figure at step N of the construction?
A. N × 
B. 3N + 2N
C. N(3 +
)/5
D. 
E. none of these
Answer: D
Mathematics
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Find the unit tangent vector of the given curve.r(t) = 4t3i - 3t3j + 12t3k
A. T(t) = 
i - 
j - 
k
B. T(t) = 
i - 
j + 
k
C. T(t) = 
i + 
j + 
k
D. T(t) = 
i - 
j + 
k
Mathematics
Solve the problem.Find the value of a if the tangent to the curve of y = -0.5x2 +ax has a slope of 1 for x = 12 .
A. -12 B. 12 C. 13 D. -13
Mathematics
Solve the problem.An honest coin is tossed ten times. The probability that the number of heads is triple the number of tails is
A. 
.
B. 0.
C. 
.
D. 
.
E. none of these
Mathematics
Find the standard equation of the hyperbola.Foci at (0, ±7), a conjugate axis with length 10
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics