Solve the inequality and graph the solution on the real number line
?
?
A. 
B.
C.
D.
E.
Answer: A
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Use a proportion to solve the problem.Jim drove 400 miles in 8 hours. If he can keep the same pace, how long will it take him to drive 1400 miles?
A. 3200 hr B. 38 hr C. 28 hr D. 56 hr
Solve the initial value problem.Differential Equation: 
= -6ti + 7tj + 10tkInitial Condition: r(0) = -4i + 5k
A. r(t) = (-6t2 - 8)i + 7t2j + (10t2 + 10)k
B. r(t) = 
i + 
t2j + 
k
C. r(t) = 
i + 
t2j - 
k
D. r(t) = 
i + 
t2j + 
k
Solve the equation by factoring.x2 = x + 6
A. {2, 3} B. {1, 6} C. {-2, -3} D. {-2, 3}
The graph of a function f is given. Use the graph to answer the question.Find the numbers, if any, at which f has a relative maximum. What are the relative maxima?
A. f has a relative maximum at x = 3; the relative maximum is 1 B. f has a relative maximum at x = 0; the relative maximum is 1 C. f has a relative maximum at x = -3 and 3; the relative maximum is 0 D. f has no relative maximum