Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = 4x2 - 2x + 1
A. maximum at 
B. minimum at 
C. maximum at 
D. minimum at 
Answer: D
Mathematics
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Solve the equation.0.4(x + 80) + 0.46(x + 15) = -42.8
A. {95} B. {65} C. {-65} D. {-95}
Mathematics
Convert the units using two or three unit fractions.10 gal = 
c
A. 80 B. 40 C. 160 D. 20
Mathematics
Solve the problem.Find an exponential function to model the data below and use it to predict about how many widgets will be produced in 2019. Round to the nearest million widgets. 
A. 20 million widgets B. 11 million widgets C. 60 million widgets D. 41 million widgets
Mathematics
Add.3123 + 2231
A. 5354 B. 5552 C. 5433 D. 5336
Mathematics