Concept
When by either y or x is multiplied by a number, functions can “stretch” or “shrink” vertically or horizontally, respectively, when graphed.
The original function is y = x
1) The transformation that transform parent function y = x into y = 2x - 2 is:
Answer
a) a horizontal stretch is given by the equation y = 2x
b) a translation of 2 units to the RIGHT of the graph of the parent function.
2) The transformation that transform parent function y = x into y = -x is:
Answer
Reflection across the y-axis