For what value of the constant c the function f continuous on (-o, co)? S cx? + + 9x if x < 4 f(x) = - cx if x 2 4

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter3: Functions
Section3.3: More On Functions; Piecewise-defined Functions
Problem 99E: Determine if the statemment is true or false. If the statement is false, then correct it and make it...
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For what value of the constant c is the function f continuous on (-0, o)?
cx2 + 9x
if x < 4
f(x) =
х3 — сх
if x 2 4
Part 1 of 2
Note that fis continuous on (-0, 4) and (4, c0). For the function to be continuous on (-o, co0), we need to ensure that as x approaches 4, the left and right limits match.
First we find the left limit.
lim f(x) = lim (cx2 + 9x) =
X-4-
X-4-
Next, we find the right limit.
lim f(x) = lim (x3 - cx) =
X-4+
X-4+
Transcribed Image Text:For what value of the constant c is the function f continuous on (-0, o)? cx2 + 9x if x < 4 f(x) = х3 — сх if x 2 4 Part 1 of 2 Note that fis continuous on (-0, 4) and (4, c0). For the function to be continuous on (-o, co0), we need to ensure that as x approaches 4, the left and right limits match. First we find the left limit. lim f(x) = lim (cx2 + 9x) = X-4- X-4- Next, we find the right limit. lim f(x) = lim (x3 - cx) = X-4+ X-4+
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