Bob makes his first $1,500 deposit into an IRA earning 6.8% compounded annually on his 24th birthday and his last $1,500 deposit on his 43rd birthday (20 equal deposits in all). With no additional deposits, the
money in the IRA continues to earn 6.8% interest compounded annually until Bob retires on his 65th
birthday. How much is in the IRA when Bob retires?

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 correct answer is x/3+10≥32

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