At an airport, it cost 7$ to park for up to one hour and 5$ per hour for each additional hour. Let x represent the number of hou
rs parked. Write the function that models the cost, C(x), of parking x hours, where x is an integer greater than 1. (Answer choices provided in the photo, A,B,C, And D)
1 answer:
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Answer:
Step-by-step explanation:
The 3 roots are given out of which 2 are real and 1 is imaginary. For a polynomial of least degree having real coefficients, it must have a complex conjugate root as the 4th root. Therefore, based on 4 roots, the least degree of polynomial will be 4. Finding the polynomial having leading coefficient=1 and solving it based on multiplication of 2 quadratic polynomials, we get: