Find the value of f(-4)?

Which graph corresponds to the function f(x) = x2 + 4x – 1?

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

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer