Find the vertex, the y-intercept, and the x-intercepts (if any exist), and graph the function.p(x) = 2x2 + 4x + 
A. 
Vertex (1, 3)
no x-int;
y-int = (0, 5)
B. 
Vertex (-1, 3)
no x-int;
y-int = (0, 5)
C. 
Vertex (-1, 
)
no x-int;
y-int = (0, 
)
D. 
Vertex (1, 
)
no x-int;
y-int = (0, 
)
Answer: C
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Solve the problem. The following table shows the number of adults in a certain city who approve of the mayor's performance in various years. It also gives the total number of adults in the city in the same years. 
Let p be the percentage of adults in the city who approve of the mayor's performance in the year that is t years since 1980. A reasonable model of the situation is: p = 
Use this model to estimate when 33% of adults in the city will approve of the mayor's performance.
A. 2010 B. 2011 C. 2013 D. 2015
Solve the problem.A computer company invested a total of $386 million in research and development in its scanners and video digitizers. If the amount the company spent on research and development on scanners was $62 million more than was spent on research and development on its video digitizers, how much in fact did the company spend on research and development on its scanners?
A. $224 million B. $386 million C. $162 million D. $193 million
Solve the equation (x in radians and ? in degrees) for all exact solutions where appropriate. Round approximate answers in radians to four decimal places and approximate answers in degrees to the nearest tenth.2 sin2 x + sin x = 1
A. 
B. 
C. 
D. 
Use the change of base formula and a calculator to approximate the logarithmic expression. Round your answer to four decimal places.log615
A. 0.3979 B. 1.9542 C. 0.6616 D. 1.5114