11.you can search for any mathematical expression, using functions such as: sin, cos, sqrt, etc. you can find a complete list of functions here. raddeg x! inv sin ln π cos log e tan √ ans exp xy ( ) % ac 7 8 9 ÷ 4 5 6 × 1 2 3 − 0 . = +

step-by-step explanation:

to find if any function is an inverse of the other, put the first equation in as x in the next one. then simplify and solve. if at the end you get the statement y = x, then it is an inverse. if you get anything else, it is not.

3 qrs + 3/2 xy hope this : /

step-by-step explanation:

he is going to fill two shelves and the third shelf will only have five video games