Question: Use the function to answer the questions below. (a) What values of z are not in the domain of f(z) ? (b) Find the zero(s)

 Use the function f(z) = m 15z z + 6z - 40

to answer the questions below. 

(a) What values of z are not in the domain of f(z) ? 

(b) Find the zero(s) of f(z). 

(c) Solve the nonlinear inequality f(z) . 

f(z) = m 15z z + 6z - 40

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