Write the equation in factored form, then sketch. f(x)=x^3+4x^2-7x-10

Need solving this second acceleration problem.

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?