Which is the graph of the given function f(t)= 3cos(-t)

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Answer to your question: a. the fundamental theorem of algebra tells you that the equation will have two complex roots since the degree of the polynomial is 2. the roots are ​ x=1±i7√2 .number of roots=degree of polynomialhere, degree of polynomial is 2 so number of roots will be 2.hope it *_*

5/6, -1/6, 5/3 i hope this is right. it should be anyway.