How many real and complex roots exist for the polynomial f(x)=x^3+2x^2+4x+8

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?

The radius of the circle below intersects the unit circle at (3/5,4/5). what is the approximate value of theta? 0.6 radians 1.0 radians 36.9 degrees 53.1 degrees

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?