Question

What is the vertex and axis of symmetry for the given function?
f(x)=x^2-x+2

Answer 1

are u sure it asks for vertex?

Answer 2

\[vertex = (\frac12, \frac74)\]

Answer 3

It says identify the vertex and axis of symmetry

Answer 4

\[symmetry \to x=\frac12\]

Answer 5

got that correct?

Answer 6

yes

Answer 7

Cool.

Answer 8

got another coming, it's a tough one

Answer 9

Let's see. :D

Answer 10

A rectangular pen for a pet is 3 ft. longer than it is wide. Give possible values for the width (W) of the pen if its area must be between 208 and 700 square feet, inclusively.

Answer 11

208 < x(3x) < 700

Answer 12

the width of the pen ranges from the smaller value of the width= ? to the larger value of the width=?
are my answers 208 and 700?

Answer 13

No. they are the areas. we have to solve that inequatliy.
im solving..

Answer 14

Ok

Answer 15

smaller is \[\pm 9\] and larger is \[\pm 15\]

Answer 16

Do I just use the + measurements since - measurements wouldn't make sense?

Answer 17

go for +ve first..

Answer 18

okay, thanks for all the help

Answer 19

let's see.
im confused because if we insert the value in negative, we still get the answer in positive.

Answer 20

No problem.

Answer 21

Positives worked

Answer 22

:D

Answer 23

If u have more problems you can post them as well. :)