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Ch1 Fcns fcn fcns

# Ch1 Fcns fcn fcns - Range c h x = 2 4 x-Domain Range 5...

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Name: Math 111 – 009 Chapter 1: Functions, Functions and More Functions! 1. If g x x x ( ) = - + 2 4 2 , evaluate g ( ) 0 , g ( ) 1 , and g ( ) - 1 . g ( ) 0 = g ( ) 1 = g ( ) - 1 = 2. From the table below, find f ( ) 0 and f ( ) 20 . Find the value(s) of x for which f x ( ) = 10 . x f x ( ) 0 10 10 20 20 0 30 20 40 10 f ( ) 0 = f ( ) 20 = Solve f x ( ) = 10 . 3. From the graph below, estimate f ( ) - 4 , f ( ) - 1 , f ( ) 0 , and f ( ) 3 . Approximate the value(s) of x such that f x ( ) = 0 . f ( ) - 4 = Solve f x ( ) = 0 . f ( ) - 1 = f ( ) 0 = f ( ) 3 = 4. Find the domain and range of each function.

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a. f : {(-3,0), (-1.5,4), (0,2), (2,5), (4,-1)} Domain: Range: b. g ( x ) = 5 1 + x Domain: Range: b. Volume of a sphere: V = π 3 3 4 r Domain:
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Unformatted text preview: Range: c. h ( x ) = 2 4 x-Domain: Range: 5. Solve for y in terms of x . Determine if y is a function of x . If it is, rewrite using ) ( x f notation. If y is a function of x , determine the domain. a. y x ( ) + = 1 1 b. y x-+ = 1 c. y x 2 1 = + 6. Consider the following scatter plot of weight versus height. 160 Weight in pounds 110 100 46 48 50 52 54 56 58 60 62 Height in inches a. Is weight a function of height? Explain. b. Is height a function of weight? Explain....
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