Use a graphing calculator to graph the equation and identify the x-intercepts. If your answers are not exact, round to the nearest tenth.y = x2 + 5.2x + 5.3
A. x-intercepts: (-3.8, 0) and (-1.4, 0)
B. x-intercept: (0, 5.3)
C. x-intercept: (0, 5.2)
D. x-intercept: (1.4, 0) and (3.8, 0)
Answer: A
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Solve the problem.In a town whose population is 3000, a disease creates an epidemic. The number of people, N, infected t days after the disease has begun is given by the functionN(t) = 
. Find the number of infected people after 10 days.
A. 2000 people. B. 2737 people C. 142 people D. 1000 people
Write the augmented matrix that represents the linear system.
A. 
B. 
C. 
D. 
Solve the equation.
= 5 - 
A. {7}
B. 
C. 
D. {6}
Solve the problem. Round your answer to the nearest tenth.Find the work done by a force of 200 pounds acting in the direction 
in moving an object 75 feet from (0, 0) to (-75, 0).
A. 6708.2 ft-lb B. 15,000.0 ft-lb C. 8944.9 ft-lb D. 13,416.1 ft-lb