A pendulum hangs from a clock and swings over its base.
The distance between the pendulum and the base of the
clock, f(x), over the horizontal distance, x, is modeled by
the function shown.
f(x) = 0.25x² – 2x + 10
What is the minimum distance between the pendulum and
the base of the clock?
XI XII

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

1. what expression would be the same as 6x+x+0 2. find the prime factorization of 60 3. write the expression for 6 + x in words.

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.