If y varies directly as x, and y is 20 when x is 4, what is the constant of variation for this relation? 1/5
4/5
5
16

-6 is the correct option from the above given options

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:

answer:

a=9

step-by-step explanation: lmk if you need a explanation