Mathematics 21 Online
OpenStudy (anonymous):

Solve the compound inequality. Express the solution using interval notation. n-4/3>=1 and 6n-3/3<=21

OpenStudy (anonymous):

$n-\frac{4}{3}\geq1$ $n\geq 1+\frac{4}{3}$ $n\geq \frac{7}{3}$

OpenStudy (anonymous):

oh wait

OpenStudy (anonymous):

i bet this is $\frac{n-4}{3}\geq 1$ yes?

OpenStudy (anonymous):

in which case $n-4\geq 3$ $n\geq7$

OpenStudy (anonymous):

$\frac{6n-3}{3}\leq21$ $6n-3\leq 63$ $6n\leq 66$ $n\leq 11$

OpenStudy (anonymous):

so you have $7\leq n \leq 11$

OpenStudy (anonymous):

interval notation is [7,11]

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