Find the square root. Express the answer as a whole number or as a square root. Do not use a calculator.
A. 14
B. 5
C. 10
D. 2
Answer: C
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Find the unit tangent vector T and the principal unit normal vector N. r(t) = (cosh t)i + (sinh t)j + tk
A. T = - (tanh t sech t)i +
j +
(sech t)k; N = (-sech t)i - (tanh t)k
B. T = - (tanh t)i +
j +
(sech t)k; N = (-sech t)i - (sinh t)k
C. T = (tanh t)i +
j +
(sech t)k; N = (sech t)i - (tanh t)k
D. T = (tanh t sech t)i +
j +
(sech t)k; N = (sech2 t)i - (sinh t)k
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = |7x|
A.
B.
C.
D.
Toothpicks can be arranged to form triangles as shown below. How many toothpicks are required to form a triangle with ten toothpicks on a side?
Evaluate.2 ?
A.
B. -
C. -
D.