diff --git a/transform.py b/transform.py
index 64819b7..f3950f9 100644
--- a/transform.py
+++ b/transform.py
@@ -5,39 +5,46 @@
 # None of them are finished; this is your job!
 
 def maximum(data):
-    "Returns the largest number in data"
-    raise NotImplementedError
+    highest = data[0]
+    for number in data:
+        if number > highest:
+            highest = number
+    return highest  
 
 def minimum(data):
-    "Returns the smallest number in data"
-    raise NotImplementedError
+    lowest = None
+    for number in data:
+        if lowest is None:
+            lowest = number
+        if number < lowest:
+            lowest = number
+    return lowest  
 
 def bounds(data):
-    "Returns a list of the smallest and largest numbers in data"
-    raise NotImplementedError
+    return [minimum(data), maximum(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 max(low, min(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
+    r = (value - start)/(end - start)
+    return clamp(r,0,1)
 
 def scale(value, domain_min, domain_max, range_min, range_max):
-    "Given a value within a domain, returns the scaled equivalent within range."
-    raise NotImplementedError
+    r = ratio(value, domain_min, domain_max)
+    return range_min + r * (range_max - range_min)
+
 
 def get_x_values(points):
-    "Returns the first value for each point in points."
-    raise NotImplementedError
+    x_values = []
+    for x, y in points:
+        x_values.append(x)
+    return x_values 
 
 def get_y_values(points):
-    "Returns the second value for each point in points."
-    raise NotImplementedError
+    y_values = []
+    for x, y in points:
+        y_values.append(y) 
+    return y_values  
\ No newline at end of file