Which statement is true about the given function? O f(x) > 0 over the interval ,
3).
O f(x) > 0 over the interval (
-a).
O f(x) < 0 over the interval (-∞, 3).
O f(x) < 0 over the interval (-0,2).

i don’t understand basic math please jsut help me

Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744

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

Ill mark the brainliest if you me with the these three questions 7,8,9