Jacob B.

A person stands directly in front of two speakers that are emitting the same pure tone. The person then moves to one side until no sound is heard. At that point, the person is 5.15 m from one of... more

Use abs(x) for |x||x|.Given that f(x)=|x|f(x)=|x| and g(x)=6x−3g(x)=6x-3, calculate(a) f∘g(x)f∘g(x)=   (b) g∘f(x)g∘f(x)=   (c) f∘f(x)f∘f(x)=   (d) g∘g(x)g∘g(x)=

A water pipe has a thick and a fine end. The radius of the thick is 3cm, and the radius of the fine is 1cm. The thick end is 6 meters higher than the fine end. Ask: how about the flowing speed in... more

1.A child is flying a kite at a height of 40 ft, that is, moving horizontally at a rate of 3ft /sec. If the string is taut, at what rate is the string being paid out when the length of the string... more