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150exam1Asol

# 150exam1Asol - Math 150 Midterm 1 Form A Solutions 1(a...

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Math 150 Midterm 1 Form A Solutions 1. (a) () ( ) ( ) - in t e r c ep t s : 0 ,0, 2 2 5 ,0 -intercepts: 0,0 x y (b) Touches at: 0 x = Crosses at: 2, 2,5 x =− (c) No, you can’t substitute x in for x or y in for or both to get an equivalent equation. y (d) 1.45, 25.73 1.34, 14.49 4.11,193.82 −− (e) (f) 5 y x is the power function that resembles the graph of () f x 2. ln 2 and ln 3 xx == 3. 11 7 2 −+

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4. (a) exponential (b) (1) ( ) x f xe = is reflected over the x axis 1 () x f = − (2) 1 f x is shifted right 3. 3 2 x f =− (3) 2 f x is moved down 1 to produce ( ) 33 1 1 xx hx e e −− = = + (c) 5. { } 0 or 3 4 x << < or (, 0 ) ( 3 , 4 −∞
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150exam1Asol - Math 150 Midterm 1 Form A Solutions 1(a...

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