True or False In Exercises 81 and 82, decide whetherthe statement is true or false. Justify your answer.81. It is possible for a third-degree polynomial functionwith integer coefficients to have no real zeros.82. If x = −i is a zero of the functionf(x) = x3 + ix2 + ix − 1then x = i must also be a zero of f.
True or False In Exercises 81 and 82, decide whetherthe statement is true or false. Justify your answer.81. It is possible for a third-degree polynomial functionwith integer coefficients to have no real zeros.82. If x = −i is a zero of the functionf(x) = x3 + ix2 + ix − 1then x = i must also be a zero of f.
True or False In Exercises 81 and 82, decide whetherthe statement is true or false. Justify your answer.81. It is possible for a third-degree polynomial functionwith integer coefficients to have no real zeros.82. If x = −i is a zero of the functionf(x) = x3 + ix2 + ix − 1then x = i must also be a zero of f.
True or False In Exercises 81 and 82, decide whether the statement is true or false. Justify your answer. 81. It is possible for a third-degree polynomial function with integer coefficients to have no real zeros. 82. If x = −i is a zero of the function f(x) = x3 + ix2 + ix − 1 then x = i must also be a zero of f.
Expression, rule, or law that gives the relationship between an independent variable and dependent variable. Some important types of functions are injective function, surjective function, polynomial function, and inverse function.
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