The domain for f(x) and g(x) is the set of all real numbers. Let f(x) = 3x + 5 and g(x) = x^2.

Find f(x) • g(x). HELP asap

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)

Having a hard time understanding this question (see attachment).

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.