Finding the domain of the function in the interval notation

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.

Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)