SOLUTION: 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

Algebra ->  Graphs -> SOLUTION: 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       Log On


   



Question 1086063: 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.

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
From y=mx+b, m=slope and b is the y-intercept
a. slope is 8
b. y-intercept is 1 (0, 1)
c.zero is when x=-1/8, then 8x+1=0.
d. f(9)=8*9+1=73, and ordered pair is (9, 73)
e. f(x) <= -7 when 8x+1 < = -7; 8x< =-8 and x < = -1
(-oo, -1]
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