A brokerage firm charges 6% commission on gold purchases in amounts from $50 to $3000. For purchases exceeding $3000, the firm charges 2% of the amount purchased plus a $15 handling fee. Let x denote the amount of gold purchased (in dollars), and let f (x) be the commission charge as a function of x. (a) Describe f (x). (b) Find f (3000) and f (4500).

Q: Sketch the graph of the function defined piecewise by the formula f(x) = {0,x 1.

A: fx=0 ,             x≤-11-x2,   -1<x<1x,                x≥1

Q: Sketch the graph of the function by making a table f(x) = 3x %3D f(x) = 3x %3D -4 -2 0. 2 4-

A:

Q: Determine (algebraically) whether the given function is even,odd,or neither.

A: To determine (algebraically) whether the given function is even, odd, or neither. f(x)=x1+x2

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A: topic - application of derivatives

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A: Example  f(x)=x4

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A:

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A: f(-2)=4 f(0)=1

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A: The given function is fx=x3+2x

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A: Given,          The function is gx=x+3x≤-512x-4x>-5

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A: Given: a fx=x3b gx=x3

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A:

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Q: Sketch the graph of the function and state its domain.

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A:

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A: Given function:- f(x) =√(a-x2)  To find:- Domain of given function f(x)

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Q: f(x) = x* + 4x° + 3x +1

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A:

Q: The domain for the function f(x) = V-2(x – 1) is

A:

Q: Sketch the graph of the piecewise-defined function. -4x, xs -3 16) f(x)= {-4 + Vx, -3 1

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A:

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Q: ? What is the domain of the function h(x)=

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Q: Find the domain and range of the function.

A:

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A: