A community for students.
Here's the question you clicked on:
 0 viewing
jagr2713
 one year ago
f(7)= x2+3x6
i got 64 but its says its wrong
jagr2713
 one year ago
f(7)= x2+3x6 i got 64 but its says its wrong

This Question is Closed

freckles
 one year ago
Best ResponseYou've already chosen the best response.1\[f(x)=x^2+3x6 \\ \text{ and you are asked to evaluate } f(7) ?\]

freckles
 one year ago
Best ResponseYou've already chosen the best response.1by the way x^2 means 1*x*x

freckles
 one year ago
Best ResponseYou've already chosen the best response.1x^2 is not the same as (x)^2

freckles
 one year ago
Best ResponseYou've already chosen the best response.1which looks like what you did

jagr2713
 one year ago
Best ResponseYou've already chosen the best response.0oh it does 0_0 i put 7^2+3(7)6

jagr2713
 one year ago
Best ResponseYou've already chosen the best response.0wait for mines i got 49+216 = 64

freckles
 one year ago
Best ResponseYou've already chosen the best response.1as said you did (x)^2

freckles
 one year ago
Best ResponseYou've already chosen the best response.1but the question says x^2

freckles
 one year ago
Best ResponseYou've already chosen the best response.1x^2 is 1*x*x not (x)*(x)

freckles
 one year ago
Best ResponseYou've already chosen the best response.1\[x^2=1 \cdot x^2 \text{ or } 1 \cdot x \cdot x \\ \text{ where as } (x)^2 =(x) \cdot (x)=x \cdot x =x^2 \text{ which is what you did } \\ \text{ and } x^2 \text{ does not equal } (x)^2 \]

jagr2713
 one year ago
Best ResponseYou've already chosen the best response.0so can u give it to me when you first plug it in

freckles
 one year ago
Best ResponseYou've already chosen the best response.1the exponent is on the x not the  and the x

freckles
 one year ago
Best ResponseYou've already chosen the best response.1\[g(x)=x^2 \\ g(7)=7^2=(7^2)=(7 \cdot 7)=(49)=49\]

freckles
 one year ago
Best ResponseYou've already chosen the best response.1if you had \[h(x)=(x)^2 \\ \text{ then } h(7)=(7)^2=(7 \cdot 7)=49\]

jagr2713
 one year ago
Best ResponseYou've already chosen the best response.0OHOHOHOHHOHO i seeeeeee

jagr2713
 one year ago
Best ResponseYou've already chosen the best response.0so if its for example f(8) we put 8^2 so 8*8=64 and the negative sign is after so 64

freckles
 one year ago
Best ResponseYou've already chosen the best response.1yes 8^2 means (8*8)=(64)=64

freckles
 one year ago
Best ResponseYou've already chosen the best response.1where as (8)^2=(8)*(8)=64

jagr2713
 one year ago
Best ResponseYou've already chosen the best response.0so the answer is *34?

freckles
 one year ago
Best ResponseYou've already chosen the best response.1do you see difference between x^2 and (x)^2 ?

freckles
 one year ago
Best ResponseYou've already chosen the best response.1\[7^2+3(7)6 \\ 49+216 \\ (4921)6 \\ (28)6 \\ 286 \\ 34\] yes

jagr2713
 one year ago
Best ResponseYou've already chosen the best response.0OMG your the best thanks!!!!!
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.