What is the recursive rule for this geometric sequence? 1/2,−2,8,− a1=−1/2; an=4⋅an−1 a1=1/2; an=−4⋅an−1 a1=1/2; an=2⋅an−1 a1=−4; an=12⋅an−1

True or false? many triangular shapes can be circumscribed about a given circle

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

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0