college algebra, Please help!!
posted by ladybug .
which of the following best describes how the graph of f can be obtained from the graph of y=1/x^2? f(x)=14/x^2
choose the correct answer
a.vertical stretch by a factor of -4
b. reflection over the y-axis, vertical shrink by a factor of 4
c. reflection over the x-axis, stretch by a factor of 4
d. horizontal shift of 4 units to the left