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a giant sequoia tree is planted in trevor’s backyard when it is 2 ft tall. the tree grows an average of 4 ft each year. write a function and graph the height of the tree over this time period.

Asmall (but heavy) particle placed in a glass of water will follow a zigzag motion because the particle will bounce off of the water molecules it meets. this is called brownian motion. a physicist simulates this on a computer, by varying the distance a particle can travel (called the mean free length), on average, before it collides with a water molecule and assigning the change in motion to be one of 8 directions, each with a similar probability. by running the simulated particle (with the same mean free length) many times she determines that it should take 15 seconds, on average, for the particle to fall to the bottom, with a standard deviation of 1.5 seconds. next she lets a real particle fall through a glass of water and finds that it took 18 seconds. what does she conclude, and why?

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0

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