Two large telecommunications companies are considering a merger. The net income, in billions of dollars, of the firstcompany can be modeled by the function A(t) = 9.01t' - 20.60t +23.55, where t is the number of years since2013. The second company's net income, also in billions of dollars, can be modeled by the functionB(t) = 9.47t? - 21.46t +18.72, where t is the number of years since 2013. The function C(t) can be used to modelthe two companies' combined net income, in billions of dollars, where t is the number of years since 2013.Write the function C(t).