Question

help with #66 on document

Answer 1

@Preetha

Answer 2

@Diyadiya @dpaInc

Answer 3

sorry, man.. my computer's not letting me open anything... :(

Answer 4

awww man, :(

Answer 5

try that one

Answer 6

:) i don't have Word... how 'bout pdf?

Answer 7

sure let me try that

Answer 8

i'd pick the middle one because your function won't give a real answer if x > 20.

Answer 9

thanks :)

Answer 10

yw...)

Answer 11

@LagrangeSon678 can you help me with #66

Answer 12

@mark1

Answer 13

what problem threres like 7

Answer 14

#66

Answer 15

can you send #66 again pls

Answer 16

thx

Answer 17

:)

Answer 18

what grade is this for

Answer 19

its pre-calculus, I'm in 12th grade

Answer 20

ok

Answer 21

im sorry but i cant help you im only in 8th grade :( ill ask someone else to help you

Answer 22

ok thank you!

Answer 23

np

Answer 24

\[f(x)=x^2-4x\]

Answer 25

This is a parabola that is concave upward. If you factor it you get x(x-4) So we see that the zeros are 0 and 4. To the right of 4 the function values are positive. Also to the left of 0 the function values are positive.