Identify all zeros, asymptotes, and holes in the graph of the function.

x/
x^2 − 64

Zero:
Vertical asymptotes:
Horizontal asymptote: y =

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Sketch one cycle if the cosine function y=2cos2theta

Could somebody me with this radical simplification?