A lorry is travelling at 13.5 m/s along a stretch of road where the speed limit is 50km/h. 1 kilometre =1000 metres
1 hour =3600 seconds
Show that the lorry is travelling below the speed limit.

kk.bj.

step-by-step explanation:

.mnm.kn.kj

find the magnitude of the trig term  

csc

(

x

)

−

1

by taking the absolute value of the coefficient.

1

find the lower bound of the range.

tap for more

y

=

−

2

find the upper bound of the range.

tap for more

y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation:

26

step-by-step explanation: