the polynomial function f(x) has degree 4, a y-intercept of 20, roots of -4 and 5, and a multiplicity 2 root of -1

asked Dec 10, 2024 193k views

4 votes

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1 vote

Answer:

f(x)=-(x+4)(x-5)(x-1)^2

Explanation:

$f(x)=a(x+4)(x-5)(x-1)^2\\20=a(0+4)(0-5)(0-1)^2\\20=a(4)(-5)(-1)^2\\20=-20a\\-1=a\\\\f(x)=-(x+4)(x-5)(x-1)^2$

Ihsanberahim answered Dec 15, 2024

8.5k points

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