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MAT016A Quiz 1 SS1-08 Key Kouba

# MAT016A Quiz 1 SS1-08 Key Kouba - Math 16A(Summer 2008...

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Unformatted text preview: Math 16A (Summer 2008) Kouba Quiz 1 PRINT Name : ______________ __ y Exam ID # : __________ _- 1.) (10 pts.) Determine the x- and y-intercepts for y = 4 — :32. Then sketch the graph of Y this equation using appropriate labeling of your diagram. X: 6 '- y 3 4 j : o 2 O 2 ‘q -’ X 9‘ —'7 O : CR'X)(3‘LK/ “‘3 X: 1/ X: * A 2.) (10 pts.) Determine the center and radius of the circle given by : x2 —4m+y2 + 10y = 7 @&_qx+q }+(y&+wj+a59 :'req~e25>e Cx~2jl+ (9%sz = Bé 262‘” W '. CQJ‘KS’) 3.) (10 pts.) Find an equation of the line in slope/ intercept form (y = mx + b) passing through the point (—1, 3) and which is perpendicular to the line y = (1/2)x + 4 . j:§x+qMM¢imwm<i] Mala/ea m:~2 «MO/0* 6934* j=wx+b —» 3=C~<>2M~U+b "’ br’ﬂ j:—°’2x+l 4.) (10 pts.) Let f(x) = composition f(g(a:)) . ~ 4. 3 X~R l l n l ‘ W306") ‘— HEX-6 “‘5' 5.) (5 pts. each) Consider the function f(x) = \/:c2 —— 3x. a.) Use a Sign Chart to determine the domain of f. X£3thé<‘3)30 Dow: > < o b. Determine the range of f. ) 31: Mom; 5 if “3] Y=O W M Xeaoj y—QOO 4'0 ...
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