Question

help?
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Answer 1

can denominator be zero ?

Answer 2

@kittymeow101 ??

Answer 3

no

Answer 4

good! so what values should x not take for the denominator to not be zero?

Answer 5

x+3 not equal to zero..

Answer 6

x+1 is not equal to zero either

Answer 7

u mean x-1? ya

Answer 8

yes my mistake

Answer 9

its ok

Answer 10

so what value x must not take so that denominator is never zero..?

Answer 11

is the answer c?

Answer 12

no..why should x not be 3??

Answer 13

oh so my answer is correct

Answer 14

because x can not be -3 or 1

Answer 15

yes u r correct! did u understand y?

Answer 16

yes, I understand now c:

Answer 17

great

Answer 18

now for the second one..any idea?

Answer 19

dont seem to understand that one

Answer 20

dont seem to understand that one

Answer 21

a function is said to be increasing when the slope (tanx ) increases...

Answer 22

do u know what is a slope?

Answer 23

@kittymeow101 ??

Answer 24

yes i do

Answer 25

here where does the slope inrease?

Answer 26

*increase

Answer 27

it starts increasing from the bottom left

Answer 28

top*

Answer 29

as long as the slope is positive the function will be incresing..so it the slope negative anywhere?

Answer 30

if the slope is negative it will decrease

Answer 31

yes that is y i am asking is it decreasing anywhere?

Answer 32

yes at the bottom left

Answer 33

http://www.everythingmaths.co.za/maths/grade-12/06-differential-calculus/pspictures/3eb09e8fce8ccba35bee5d983f3e9562.png

Answer 34

now tell me

Answer 35

it is decreasing at the stop also

Answer 36

top*

Answer 37

good work!