Smith sold 45 of his dvds and purchased 10 more. if smith has 15 dvds now, how many dvds did he have to begin with?

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function

Write 37/22 as a decimal rounded to the nearest hundredth.

Let f(x) = 1/x^2 (a) use the definition of the derivatve to find f'(x). (b) find the equation of the tangent line at x=2