Consider graphs of 2 functions f(x) (solid line) and g(x) (dashed line). Find the following
(a) (f+8)(2)
(b) (fp)(3)
(c) g(f(1))
(d) Domain of f(x) in interval notation
(e) Interval of increase of g(x)

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year. how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Solve for n? [tex]z = \frac{3}{4} mn[/tex]