4. Polynomial Functions & Expressions

Consider the function $f\left(x\right)=x^4-7x^3+12x^2+4x-16$`f`(`x`)=`x`4−7`x`3+12`x`2+4`x`−16.

a

Is $5$5 a zero of the function?

Yes

A

No

B

Yes

A

No

B

b

Is $4$4 a zero of the function?

Yes

A

No

B

Yes

A

No

B

c

Is $-1$−1 a zero of the function?

Yes

A

No

B

Yes

A

No

B

Easy

Approx 2 minutes

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Investigate and describe the relationships among solutions of an equation, zeros of a function, x-intercepts of a graph, and factors of a polynomial expression