diff --git a/transform.py b/transform.py
index 500aa31..87b6ec0 100644
--- a/transform.py
+++ b/transform.py
@@ -6,29 +6,29 @@
 
 def maximum(data):
     "Returns the largest number in data"
-    raise NotImplementedError
+    return max(data)
 
 def minimum(data):
     "Returns the smallest number in data"
-    raise NotImplementedError
+    return min(data)
 
 def bounds(data):
     "Returns a list of the smallest and largest numbers in data"
-    raise NotImplementedError
+    return min(data), max(data)
 
 def clamp(value, low, high):
     """Clamps a value to a range from low to high. 
     Returns value if it is between low and high.
     If value is lower than low, returns low. If value is higher than high, returns high.
     """
-    raise NotImplementedError
+    return  min(max(low, value), high)
 
 def ratio(value, start, end):
     """Returns a number from 0.0 to 1.0, representing how far along value is from start to end.
     The return value is clamped to [0, 1], so even if value is lower than start, the return 
     value will not be lower than 0.0.
     """
-    raise NotImplementedError
+    return (value - start) / (end - start)
 
 def scale(value, domain_min, domain_max, range_min, range_max):
     "Given a value within a domain, returns the scaled equivalent within range."