Caleb can work at the carwash and earn $34 for 4 hours of work. He can also wash dishes at the restaurant and earn $51 for 6 hours of work. Caleb wants to compare his
rate per hour at the two jobs.
Complete the ratio of dollars to hours at the carwash.
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to
?

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)