Question

What effect does "a" have on the parent function \[y=\frac{ 1 }{ x }\]

Answer 1

A. a > 0 moves the graph to the right; a < 0 moves the graph to the left.
B. Vertical stretch by a factor of absolute value of a
C. a > 0 moves the graph up; a < 0 moves the graph down.
D. a > 0 reflects the graph across the y-axis.

Answer 2

b

Answer 3

@jim_thompson5910

Answer 4

it's definitely not a shift (that's what h and k do)

and a > 0 wouldn't do a reflection

so A, C, D are out

turns out that 'a' vertically stretches or compresses the graph