set notations

[frosty quartz]

For part b why am I wrong for setting set notation this way(what I highlighted)

[proper tusk]

I’m pretty sure u can’t union inequalities only sets so u need to find the 2 different sets of values for k, write them both in correct set builder notation and then union them

[spice cliff]

@frosty quartz what's the answer for part c)?

[dense kelp]

bros hairline is receding

its tough man same things happening to me

[frosty quartz]

1/4x(x-6)^2

[frosty quartz]

What

[spice cliff]

Got a as 1/4 dk bout others cuz I wrote in expanded format

[frosty quartz]

Ooh you’re probably right then

[spice cliff]

Ye prolly

[frosty quartz]

This is the way I write it

Wrote

Is it wrong??

[proper tusk]

No that’s right

[frosty quartz]

The mark scheme has it the other way round

With k>8 first

Then k<0 after

Doesn’t it not matter

[proper tusk]

Ohhh ye that’s ok

That doesn’t matter