1 point 1. An ecologist is studying a forest with a mixture of tree types. Since the
average tree height in the area is 40 feet, he measures the height of the
tree against that. He also records the type of tree. The results are shown in
the table and segmented bar graph. Is there evidence of an association
between tree height and tree type? *
40 feet or taller
deciduous
evergreen
total
under 40 feet
45
14
59
30
10
40
total
75
24
99
100
under 40 feet
75
40 feet or taller
50
25
0
deciduous evergreen
Yes
ОО
No

The rows and columns of lattice points in a three-by-three square array are evenly spaced one unit apart. how many distinct triangles with at least one side of length 2 units can be drawn using three lattice points for the vertices?

To find the extreme values of a function f(x.y) on a curve x-x(t), y y(t), treat f as a function of the single variable t and use the chain rule to find where df/dt is zero. in any other single-variable case, the extreme values of f are then found among the values at the critical points (points where df/dt is zero or fails to exist), and endpoints of the parameter domain. find the absolute maximum and minimum values of the following function on the given curves. use the parametric equations x=2cos t, y 2 sin t functions: curves: i) the semicircle x4,y20 i) the quarter circle x2+y-4, x20, y20 b, g(x,y)=xy

If f(x) = 4x – 3 and g(x) = 8x + 2, find each function value a.f[g(3)] b.g[f(5)] c.g{f[g(-4)]}