Question

Swine flu is attacking porkopolis. the function
S(t) = 9t - 4 determines how many people have swine where t = time in days and S = number of people in thousands.

find S(4), what does S(4) mean?

Find t when S(t) = 23, what does S(t) = 23 mean?

Graph the function, coordinates.

Answer 1

s(4) means when t = 4

Answer 2

s(t) = s(23) = you plug in 23 into the equation.

Answer 3

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