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# a). Find the specified function values for the following polynomials:

-5
248
6

a). Find the specified function values for the following polynomials:

1. Q(t) = 9t3 + 8t2 - 4t - 9

Find Q(-3), Q(-1) and Q(-b)

Sep 17, 2018

#1
+4

We're just plugging in values of $$t.$$

(a): $$9(-3)^3+8(-3)^2-4(-3)-9=-168.$$

So, just plug the values of $$t$$, listed in your question, like how I solved it!  Sep 17, 2018
edited by tertre  Sep 17, 2018
#2
-3

Uh, Dude? I did what you said to solve the problem but it gave me a different answer which was -168. I think you did something wrong.

Sep 17, 2018
#3
+3

Rick, it appears as if tertre's slight typo has caused an askew answer.

The original function was defined as $$Q(t)=9t^3+8t^2-4t-9$$. Unfortunately, terte evaluated the function as $$Q(t)=9t^{\textcolor{red}{2}}+8t^2-4t-9$$. What a tragic error!

Continue evaluating the function at $$Q(-1)\text{ and }Q(-b)$$, and you will be done quite soon.

**OOPS, I know you have told me to call you Rick in future posts.**

Sep 17, 2018
edited by TheXSquaredFactor  Sep 17, 2018
#4
-3

It's okay man! Thanks for the help!

GAMEMASTERX40  Sep 17, 2018
#5
+3

Lol, silly mistake, didn't read the cube sign.......

tertre  Sep 17, 2018
#6
+2

That's ok! We got your back in this community.

TheXSquaredFactor  Sep 17, 2018