1.3. Formulating Abstractions with Higher-Order Procedures

1.3.4. Procedures as Returned Values

Exercises:

• 1.40. Approximate zeros
• 1.41. Double
• 1.42. Composition
• 1.43. Nth repeated application of f
• 1.44. N-fold smoothed function
• 1.45. Computing nth roots
• 1.46. Iterative improvement

Show who completed