Roberto got $30 for his birthday. He decides to save that
amount and add $5 to his savings each week. Jack starts
saving the same day as Roberto and puts $8 in his
savings each week. After how many weeks will the boys
have the same amount in savings?

10 week

5 × 10 ⇒ 50

50  ±  30 ⇒ 80

8 × 10 ⇒ 80

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.

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y

=

−

2

find the upper bound of the range.

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y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation:

answer: i literally just answered this question but they want me to do it again

step-by-step explanation: