Solve the problem.The table shows the number of new cases (in thousands) of a certain disease diagnosed in a country in various years. 
Let f(t) be the number of new cases (in thousands) of the disease diagnosed at t years since 2010. Use a quadratic model to predict when the number of new cases of the disease diagnosed will be 53,700. (First find a quadratic equation for f in vertex form by using the data for the years 2013 and 2017).
A. 2021
B. 2019
C. 2020
D. 2022
Answer: B
Mathematics
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Plot the ordered pair in the coordinate plane. In which quadrant or on which axis does the point lie?(2, -1)
A. Quadrant III
B. Quadrant I
C. Quadrant II
D. Quadrant IV
Mathematics
Sketch the graph of the function. Also, find the domain and range of the function.f(x) = 
+ 2
A. domain: x ? -2; range: y ? 0
B. domain: x ? 0; range: y ? 2
C. domain: x ? 0; range: y ? 2
D. domain: x ? 2; range: y ? 0
Mathematics
Find the weekly gross earnings. Overtime is paid at the time-and-a-half rate for hours over 40 per week.
A. $502.85 B. $413.85 C. $458.35 D. $489.25
Mathematics
Solve the equation.
+ 
= 
A. { -3 }
B. 
C. ?
D. { -5 }
Mathematics