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  d.  9.25

Step-by-step explanation:

g(f(3.5)) = g(3.5²) = g(12.25) = 12.25 -3 = 9.25

Creating the composite function first

The composition (g ∘ f)(x) means g(f(x)). That is, the value of f(x) is used as the argument for function g.

  g(f(x)) = g(x²) = x² -3

Then g(f(3.5)) = 3.5² -3 = 12.25 -3 = 9.25

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,