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MATH 176 Cuyamaca College Mathematics Practice Test

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Exam 1. Math 176 Fall 20 Cuyumaca College Guide Solved by: José Marín Follow me: https://www.studypool.com/jjmarinf 1. Use function notation to express the weight of a pig in pounds as a function of its age in days d By considering the weight function of a pig as W as a function of days d, it can be denoted as W = f (d). 2. Given the following graph a. Evaluate f(x) = 3 Evaluating the function means determining the value of x for which the function equals 3, or written in the function language it would be f (x) = y = 3. As can be detailed in the graph of the green line that corresponds to f (x) so that f (x) = 3 the value of x = 2 b. Solve for g(2) = Solving g (2) means that in the turquoise graph identified as y = g (x), the value of g (x) must be determined when x = 2, when solving it graphically we have that g (2) = 5 3. Find f(0) – f(3) According to the Table the values of each one are the following: f (0) = 1 f (3) = - 4 Performing the subtraction operation, it is done as follows: f (0) - f (3) = 1 - (- 4) = 1 + 4 = 5 f (0) - f (3) = 5 Therefore the result of subtracting f (0) - f (3) is equal to 5. 4. Let f(x) be the number of ducks in a lake t years after 1990. Explain the meaning of each statement: a. f(5) = 30 b. f(10) = 40 The year 1990 represents time equal to zero (t = 0), so t = 5 represents 5 years after 1990 and t = 10 represents 10 years after 1990, which is the same as saying the year 2000. In summary: t = 5, equals 1990 + 5 = 1995 t = 10, equals 1 ...
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