Plz
robert makes a monthly budget. his monthly
allowance is $40. he makes $25 each month from
mowing the neighbor’s yard. robert’s monthly
expenses are $75. how much does he need to earn
from babysitting to balance his budget?
a $75
b $10
c $50
d $35

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)