Suppose that f(x)=8x+1. Complete parts (a) through (f).
(a) What is the slope?
(b) What is the y-intercept?
(c) What is the zero of f?
(d) Solve f(x)=9. What point is on the graph of f? The solution to f(x)=9 is ____ (type an ordered pair)
The corresponding point on the graph is ____ (type an ordered pair)
(e) Solve f(x)≤-7. The solution is ____ (type your answer in interval notation)
(f) Graph f.