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**Unformatted text preview: **7. Find the numbers at which / is discontinuous, where J is defined by f (a) -- x + 1 if c < 0, f (x) = e' if 0 < c < t, f (a) : 2 - x if s > l. 8. Evaluate ,.,,., 4c2 - 3 "!i166 az - t + 10' 9. Find the equation of the tangent line to the curve g : c3 at the point where c : l. 10. Sketch the graph ofa function for which /(0) :0, /,(O) : -t, /(t) : 0, /'(1) : -1. 11. Determine for what values ofz the function /(z) : zlzl is differentiable and find a formula for //. 12. Differentiate the function A :6r-8/s. 13. Find all points on the curve y: # +3* +3:x +l where the tangent is horizontal. 14. Differentiate (r3 + i)e". 15. Differentiate e. _ )-e ' + l ' 2...

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