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Answer 1

Answer & Step-by-step explanation:

When using piecewise functions, the intervals represents what function will be used when given a certain number. So, let's begin.

For f(-3), we will use the first function because -3 is less than -1.

f(-3) = 7/2 + 2(-3)

f(-3) = 7/2 - 6

f(-3) = -5/2

For f(-1), we will use the first function again because -1 equals -1.

f(-1) = 7/2 + 2(-1)

f(-1) = 7/2 - 2

f(-1) = 3/2

For f(3), we will use the last function because 3 equals 3.

f(3) = 1/4(3)

f(3) = 3/4