Need on doing the work to figure out how music hour she took

D 1/27 hour per question

Step-by-step explanation:

She answered 9 questions

She took 1/3 of an hour total

We want to find time per question

1/3 ÷ 9

Copy dot flip

1/3 * 1/9

1/27 hour per question

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:

ιт ιѕ:

125.28

нσρє ι ¢συℓρ нєℓρ