MATH 1310 Section 4.1.

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Presentation transcript:

MATH 1310 Section 4.1

Polynomial Functions:

End behavior of Polynomials: Positive Leading Coefficient Negative Leading Coefficient Even Degree Left: Rising Right: Rising Left: Falling Right: Falling Odd Degree Left: Falling Right: Rising Left: Rising Right: Falling

Popper 19 For the following, refer to f(x) = -8x3 – 2x2 + 9x – 3 What is the degree of the polynomial? First b. Sixth c. Third d. Eighth 2. What is the leading coefficient? -8 b. -2 c. 9 d. -3 3. What is the end behavior on the left? Rising b. Falling 4. What is the end behavior on the right?

g(x) = (x2+3)(x-2)4

Popper 20: What are the x-intercepts: {-5, -1, -2} {-5, -1, 2} {-5, 1, 2} {-5} 2. What is the y-intercept: (0, -40) (0, -10) (0, 5) (0, 40) 3. What is the degree: Third Fifth Sixth Seventh