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PLZ CHECK MY ANSWERS: 1. Classify the following polynomial by degree and number of terms: 2x^4 - 4x^2 + x My Answer: 4th degree polynomial 2. What is the maximum times a third degree function's graph could cross the x-axis? My Answer: 3 times. 3. If a function is even and contains the point (2,21), what other point must it contain? My Answer: (-2,21) 4. What is the range of the polynomial function f(x)= x^3 - 6x + 5? My Answer: All real #s 5. What is the y-intercept of the function g(x)= -(x-2)(x-1)^4(x-3)^2? My Answer: 18 6. f(x)= -2x^7 + 7x^3 - 7 (even or odd?) My Answer: neither

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all are correct
having doubts in any ?
1) 4th degree and a trinomial (3 terms) 2) your ans is correct

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