[tex]y=2x+ \sqrt{x^{2}+1}

What is this inequality notation? t is less then or equal to 2

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Which equation represents the function on the graph?