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Which function is both periodic and sinusoidal?

The function f(x) = -5×2 + 20x + 2 written in vertex form is

A T-ball player hits a baseball from a tee that is 1 m tall.  The flight of the ball can be modelled by h(t) = -5t2 + 10t – 1, where h(t) is the height in metres and t is the time in seconds.  When does the ball reach its maximum height?

Identify the amplitude and equation of the axis of f(x) = 2sinx + 5.

Which are the correct zeros of f(x) = x2 – x – 12?

Which of the following expressions is a perfect square?

Identify the transformations that would be applied to f(x) = sinx to graph f(x) = 0.5sin(x – 30o).

Use the diagram below to determine the height, h, of the mountain.

Thorium-227 has a half-life of 18.4 days.  Given the formula M(t) = 50(0.5)t/18.4, how many days t, will a 50 mg sample take to decompose to 10 mg?

Weight-bearing aerobic activities (e.g., jogging) are just as beneficial as resistance training for development of bone mineral density.