Since starting a new job, Gavin has earned 12,000. He has invested $3000 in a savings
account earning 4% APR compounded semi-annually.
a. To the nearest tenth of a year, how long should Gavin leave the money in the account
earn $600 in interest?

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: