R a 4 a 1 2 r a 32 a 8 r a 4 a 1 2 16 a 2 8 a 1 r a

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R(a) = (4a+ 1)2R'(a) =$$32a+8
a+ 8
2
πR
3
12/14/16, 4(12 PMhw09S3.1-2Page 5 of 2210.3/3 points | Previous AnswersSCalcET7 3.1.034.Find an equation of the tangent line to the curve at the given point.= x4+ 6x2x, (1, y=$$15x9
4/4 points | Previous AnswersSCalcET7 3.1.037.Find an equation of the tangent line to the curve at the given point.
y= x4+ 6x2x, (1, y=$$15x96)
15x9.
2)
12/14/16, 4(12 PMhw09S3.1-2Page 6 of 22
12.2/2 points | Previous AnswersSCalcET7 3.1.043.Find the first and second derivatives of the function.
1
3x1.
x
100x3
12/14/16, 4(12 PMhw09S3.1-2Page 7 of 2213.4/4 points | Previous AnswersSCalcET7 3.1.047.The equation of motion of a particle is where sis in meters and tis in seconds. (Assume t(a) Find the velocity and acceleration as functions of t= t327ty= xx2(1, 0)0.).v(t) =$$3t227a(t) =$$6t(b) Find the acceleration after 4 s.24 24m/s2(c) Find the acceleration when the velocity is 0.18 18m/s2Solution or ExplanationClick to View Solution14.3/3 points | Previous AnswersSCalcET7 3.1.058.Where does the normal line to the parabola at the point intersect the parabola a second time?Illustrate with a sketch.x, y) = $$1,2s= t327ty= xx2(1, 0),(x, y) = $$1,2
12/14/16, 4(12 PMhw09S3.1-2Page 8 of 22
y-
.
1.
1.
12/14/16, 4(12 PMhw09S3.1-2Page 9 of 22

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