You wish to mentally estimate the total cost of items that have the following price: $1.85, $.98, $3.49, $9.78, and $6.18. rounding off the items to the nearest half-dollar, your estimate of the total cost of these items is

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The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Complete the input-output table for the linear function y = 3x. complete the input-output table for the linear function y = 3x. a = b = c =