You invest $2,000 in an account that is compounded annually at interest of a rate 5% you never withdrew money from the account how much money will be in the account after 4 years

Write an equation for the function that includes the points (2,100)and (3,100)

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Which best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2