Solve the rational inequality. Write the solution set using interval notation; then graph the solution set on a number line.
? 4x
A. [7, ?)
B. (-?, 0] ? [5, 7)
C. (-?, 5] ? [7, ?)
D. [0, 5] ? [7, ?)
Answer: B
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Provide an appropriate response.The speed you must travel for a given amount of time depends on the distance you must cover.(a)Write a function r(d) for the speed if the time is 5 hours and the distance covered is d.(b)What is the domain of this function out of context?(c)What is the domain of this function in the given context?(d)Find r(x), r
and r
,.(e)What happens to the speed if the distance is reduced (divided) by a constant c? Describe using an equation.
What will be an ideal response?
Solve the problem.Find the length of the arc intercepted by a central angle of 
in a circle of radius 
Round to two decimal places.
A. 0.81 cm B. 14.66 cm C. 7.33 cm D. 1.23 cm
Determine whether the graph is the graph of a function.
A. function B. not a function
Solve the inequality, and graph the solution set.v2 + 10v + 24 ? 0
A. [-4, ?)
B. [-6, -4]
C. (-?, -6]
D. (-?, -6] ? [-4, ?)