# Previous answers scalcet7 102013 find for which

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2. 3/3 points | Previous Answers SCalcET7 10.2.013. Find For which values of t is the curve concave upward? (Enter your answer using interval notation.) dy / dx and d 2 y / dx 2 x = e t , y = te = \$\$( e t t · e t ) et = \$\$ e 3 t ( 3+2 t ) dy dx d 2 y dx 2 . t
3. 3/3 points | Previous Answers SCalcET7 10.2.025. Show that the curve has two tangents at (0, 0) and find their equations. = 3 cos( t ), y = 4 sin( t )cos( y = \$\$ 43 x x = 3 cos( t ), y = 4 sin( t )cos( t )
4/24/17, 17(47 Math 126 Sections 10.2 and 13.2 (7th ed) Page 3 of 10 (smaller slope) y = \$\$43 x (larger slope) Sketch the curve.
4/24/17, 17(47 Math 126 Sections 10.2 and 13.2 (7th ed) Page 4 of 10 4. 2/2 points | Previous Answers SCalcET7 10.2.030. Find the equations of the tangents to the curve that pass through the point ( 10 , 6 ). y = \$\$ 2( x 10)+6 (smaller slope) y = \$\$ x 4 (larger slope) 5. 2/2 points | Previous Answers SCalcET7 13.2.003. Consider the given vector equation. (a) Find r ' ( t ).