Which statements about the graph of the function f(x) = -x2 - 4x + 2 are true? Select three The domain is {x|x S-2}.
The range is {yly s 6).
The function is increasing over the interval (-0, -2).
The function is decreasing over the interval (-4,00).
The function has a positive y-intercept.

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

Ineed to know the answer to this algebra question.

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.