Quiz for MATH 251 - Analytical Geometry/Calculus I with Church at San Mateo County Community College District Office (SMCCD)

Quiz Information

 Material Type: Quiz 1 Professor: Church Class: MATH 251 - Analytical Geometry/Calculus I Subject: Mathematics University: San Mateo County Community College District Office Term: Spring 2009 Keywords: Time PeriodRational FunctionAverage Velocity

Sample Document Text

Math 251 Quiz 1 Name,--+-IG::....BI?~1---- 1. Match the function with its type by drawing a line between the function and its type. 3x 5 - x 2 + 7 algebraic function 2X2 -5 "./ x 2 - 5 I-Tx rational function olynomial function exponential function 2. Let f(x) = v'x+T, 1 g(x) = -. x (a) Find g(x)(f(xf - 1) and state its domain using interval notation. }(I'""!:'''-)(+-\~\:'' \) -~ (1'+\ _\) ::. ~( .. ) = \ (b) Find (g 0 f)(x) and state its domain using interval notation. ( ~ 0 ~)( ,.: \ -:.. ~ ( ~ )( -\- \) =. -'- ..,.. '" \ > 0 -.-=, ). '>- -\ u '1 ~)C.~\ '\ 3. State the transformations to the graph of f(x) given by -2f(x + 1) + 4. ~t-\ Q= ~ \~ '. ~E.flfc(Q ~'60)' ~-I\~\C). CS c~ VE(2'L ~'l " f~,-cr- 'L. c:; c-\ ,ft"E'\) lE'i=" \ "'~ cr .. '5 \"\ ,r: 1\:1> u? L\ U N ~ . 4. Suppose the graph of y = f (x) = C aX passes through the points (2, 0.75) and (-1.6). Find a formula for f(x). Hint: Substitute the given coordinate pairs in for x and y and solve the...