1) For which interval(s) is f(x) positive? f(x) = −3(x+5)^2 (x−1)^16 (x−15)^23

A. (−∞,−5)
B. (−∞,−5)
C. (15,∞)
D. (−∞,−5)

2) For which interval(s) is f(x) positive?

f(x) = 4(x+30) (x−51) (x−97)

A. (−30,51)
B. (−∞,−30)
C. (−∞,∞)
D. None of the above

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 table shows the results of three plays in a football game. what is the net result of the three plays? football game 1st play 5 yards 2nd play -9 yards 3rd play 12 yards

Identify the number 127 as a rational or irrational. explain