Cole puts 68 books in a bookcase. he puts an equal number of books on each of 9 shelves and 5 books on the last shelf. how many books are on each of the 9 shelves?

-2

7 - 9 = -2

reversed:

-2 + 9 = 7

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: