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A take-home test for a mathematics class focusing on quadratic equations and functions. The test includes finding the vertices, graphing functions, solving for x, and finding the equations of parabolas. Additionally, it covers finding the difference, product, quotient, and sum of two functions, as well as approximating the number of cds and cassettes sold and the daily profit for a health food company.
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Test 4 MAT 1101 Spring 2009 Name ______________________
This test is take-home, so you may use your notes, book, Excel, MathGV, etc. This test is due back to me at the beginning of class on Tuesday, June 9, 2009. Late tests will not be accepted. Don’t forget to simplify all of your answers and attach your work!
b) f(x) = 2.9(x – 8.2)^2 – 9.
Given f(x) = 2x + 8 and g(x) = 4x – 5, find the following.
x y
x y
a) the vertex of the equation ________________________
b) f(3) = _______
c) the equation of the parabola _________________________
d) the x-intercepts of the equation __________, ___________