If you put 140 ml of water in a glass, how much concentrate should be added? Lemon squash;
1part concentrate
To 2 parts water

30

step-by-step explanation:

times by times

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:

the first one

step-by-step explanation:

just id the test.

1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0