Use a graphing calculator to find the sum.
Round your answer to three decimal places.
A. 1.333
B. -1.667
C. -0.667
D. 4.000
Answer: A
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Solve the problem.The equation V = -2000t + 23,000 describes the value in dollars of a certain model of car after it is t years old. If a car is worth $15,000, substitute 15,000 into the equation to find the age of the car.
A. 5 years B. 4 years C. 3 years D. 6 years
y?? + 9y? = x + 3, y (0) =1, y?(0) = ?1 8
Solve the first-order linear system.
Solve the compound inequality and graph the solution set on a number line. Except for the empty set, express the solution set in interval notation.x + 9 < 6 and -9x < 9
A. ?
B. (-3, -1)
C. (-?, -3)
D. (-?, -3) ? (-1, ?)
Draw the graphs of the pair of linear equations. Find the point of intersection. If the lines do not intersect, tell whether the lines are parallel or coincide.
A. 
B. 
C. 
D. 