Which real-world situation matches the relationship in the table? Hours
1
2
3
4
5
Dollars
10
20
30
40
50

Parker needs to charge 10 more dollars for mowing a lawn.
Parker earns $10 per hour mowing lawns.
Parker lost $10 mowing lawns.
Parker makes $1 for every 10 lawns he mows.

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)

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities

Is ofat (-25, 0), (25, 0) co- (0, -15), (0, 15)?