Provide an appropriate response.Write a valid conclusion based on the following statements: The mall is closed if and only if it is Sunday. The mall is closed.
What will be an ideal response?
It is Sunday. (The mall is closed only on Sundays.)
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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (x + 8) sin x
A. sin x ln (x + 8)
B. (x + 8) sin x
C. 
(x + 8) sin x
D. cos x ln (x + 8) + 
Graph the system of linear inequalities and indicate the solution set. x + 4y > 48x - 3y ? -3
A. 
B. 
C. 
D. 
Use rational equations to solve the problems.Midtown Antiques has found that sales have decreased 6% from last year. Sales this year are $112,408. Find the amount of last year's sales. Round your answer to the nearest dollar.
A. $119,573 B. $119,483 C. $119,583 D. $120,583
Solve the given equation or inequality. If an equation is given, then write the solution set in set notation. If an inequality is given, then write the solution set in interval notation.
+ 0.1 ? 0.7
A. (10.2, 12.6) B. (-?, 10.2] ? [12.6, ?) C. {10.2, 12.6} D. (-?, 10.2] ? [12.6, ?)