For f(x)=

and g(x) =
verify that f and g are inverse functions.
f(g(x)):
g(f(x)):

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол