Question: A welders contract promises a 3.5% salary increase each year for 4 years and Luisa has an initial salary of $36,500. (a) Show that Luisas

A welder’s contract promises a 3.5% salary increase each year for 4 years and Luisa has an initial salary of $36,500.

(a) Show that Luisa’s salary is given by

y = 36,500 (1.035) intr

where t is the time, measured in years, since Luisa signed the contract.
(b) Graph Luisa’s salary function. At what values of t is it continuous?

y = 36,500 (1.035) intr

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