Sami leaves his house at 3:45 PM and walks to Karla's house in 15 minutes. He stays at Karla's house for 5 minutes and then walks to the library in 10 minutes.
When does Sami arrive at the library?
4
3:15
+
3:30
3:45
4:00
4:15
4:30
4:45
5:00
5:15
4:00 PM
4:25 PM
4:15 PM
4:05 PM

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)

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4

Which of the following is another way to express the difference between -5 and 8?