Solve the quadratic equation by completing the square.y2 + 5y - 5 = 0
A.
B.
-5 ± 3
C.
D.
Answer: A
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Solve the problem.The formula C = 2x + 17 represents the estimated future cost of yearly attendance at State University, where C is the cost in thousands of dollars x years after 2002. Use a compound inequality to determine when the attendance costs will range from 35 to 43 thousand dollars.
A. From 2011 to 2015 B. From 2012 to 2016 C. From 2012 to 2014 D. From 2010 to 2014
Find the composite function for the given functions and state the domain. f ? g for f(x) = x2 - 16 and g(x) =
A. - 16, for all x
B. x - 16, for x ? 0
C. , for (-?, -4] ? [4, ?)
D. x - 4, for x ? 0
Use a grapher to find the vertex, rounding to the nearest hundredth when necessary.f(x) = -0.5x2 - 1.7x - 1.8
A. (-1.7, -1.8) B. (-1.7, -0.35) C. (-1.7, 0.35) D. (1.7, -0.35)
Provide an appropriate response.What is wrong with the following factorization?9s6t3 + 3s4t4 = 3s4t3(3s3 + t)
What will be an ideal response?