Calculate the arc length of the indicated portion of the curve r(t).r(t) = (2 + 2t2)i + (2t2 - 5)j + (7 - t2)k, -1 ? t ? 4
A. 51
B. 153
C. 135
D. 45
Answer: D
Mathematics
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Equilibrium or steady-state solutions for an equation of change occur where the rate of change is 0.
Answer the following statement true (T) or false (F)
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Graph the function as a solid curve and its inverse as a dashed curve.f(x) = 
x + 3
A. 
B. 
C. 
D. 
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Find the standard form of the equation of a circle that satisfies the given conditions.Center (22, 12); containing the origin
A. (x - 22)2 + (y - 12)2 = 25 B. (x - 12)2 + (y - 22)2 = 25 C. (x - 22)2 + (y - 12)2 = 628 D. (x - 12)2 + (y - 22)2 = 628
Mathematics
Find the measure of each interior angle of a regular octagon.
A. 45° B. 108° C. 120° D. 135°
Mathematics