Compute UTFIT:
F(x, y, z) = i + j + k
Sketch several representative vectors in the vector fi

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 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)

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?