50 points brainliest
a) the domain for f(x) and g(x) is all real numbers. let f(x) = x2 + x-20 and g(x) = 3x-12
find g(x)f(x)and state its domain.

b) let g(x) = 2x2-7 and h(x) = 3x + 2 . evaluate ().

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.

Quickly, you! v v v v v v v v v v v v