3. Find the domain ofthe following functions. Show work algebraically when needed. Write in interval notation. a. x2-3x- 28 b. x2-3x-28

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Problem 3PT: Determine whether the following function isincreasing or decreasing f(x)=7x+9
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3. Find the domain ofthe following functions. Show work algebraically
when needed. Write in interval notation.
a. x2-3x- 28
b.
x2-3x-28
Transcribed Image Text:3. Find the domain ofthe following functions. Show work algebraically when needed. Write in interval notation. a. x2-3x- 28 b. x2-3x-28
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