if a < 0 reflection in x-axis
if q < 0
of
if |a| < 1
vertical compression
if q > 0
|a|
if |a| > 1
vertical stretch(expansion)
factor
multiply 'y' values by 'a'
y = af [k(x-h)] + q
if k < 0 reflection in y-axis if |k| < 1
horizontal stretch
if h > 0
horizontal translation right
if |k| > 1
horizontal compression
if h < 0
horizontal translation left
multiply 'x' values by '1/k'
add 'h' to the 'x' values
izontal translation right
izontal translation left
to the 'x' values