Find T, N, and B for the given space curve.r(t) = 
(1 + t)3/2i + 
(1 - t)3/2j + 2tk
A. T = 
i + 
j + 
k; N = 
i + 
j; B = 
i + 
j + 
k
B. T = 
i - 
j + 
k; N = 
i + 
j; B = - 
i + 
j + 
k
C. T = 4
i - 4
j + 2k; N = 3
i + 3
j; B = - 1
i + 1
j + 4
k
D. T = 
i - 
j + 
k; N = 
i + 
j ; B = - 
i + 
j + 
k
Answer: D
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Solve.Jim and Tammi ran a distance of 15,840 feet. A mile is 5280 ft. How many miles did they run?
A. 6 mi B. 3 mi C. 4 mi D. 3 mi 2640 ft
The generating time for an animal is the time it takes to reach reproductive maturity. The following data show the generation time G, in years, and the length L, in feet, for some animals. Animal Deermouse Salamander Beaver Grizzly bear Elephant G 0.3 0.67 2.23 5.91 11.5 L 0.19 1 2.8 4 12.3? A: Use power regression to model the length as a function of the generation time. Use two digits of accuracy for the coefficient and for the power.B: Plot the data along with the power model you found in part A.C: According to the power model, if the generating time of one animal is 3 times that of another, how do their lengths compare? Round your answer to two decimal places.D: Is the grizzly bear longer or shorter than would be predicted by the power model?
What will be an ideal response?
Give the order of the matrix, and identify the given element of the matrix.
; a34
A. 4 × 5; 1 B. 20; -7 C. 4 × 4; 2 D. 5 × 4; -8
Determine the slope and the y-intercept for the linear equation. Graph the line.2x - 6y = 12
A. m = 
, y-intercept: (0, -2)
B. m = 2, y-intercept: (0, -6)
C. m = 
, y-intercept: (0, 6)
D. m = - 
, y-intercept: (0, 2)