5x+20 ifx<-3 if x>-3 if x = -3 Let f(x)=√x+28 2 Select all that are true: f(-3) is defined. lim f(x) exists. %-3 lim f(x) = f(-3) x-3 The function is continuous at x = -3
5x+20 ifx<-3 if x>-3 if x = -3 Let f(x)=√x+28 2 Select all that are true: f(-3) is defined. lim f(x) exists. %-3 lim f(x) = f(-3) x-3 The function is continuous at x = -3
Chapter3: Functions
Section3.2: Domain And Range
Problem 59SE: Create a function in which the domain is x2 .
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