Solve the problem.Given log b 3 = 3.6887 and log b 7 = 1.4873.Find log b 
.
A. -2.2014
B. 3.842
C. 0.527
D. 2.2014
Answer: D
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Provide the requested information about the circular function.What are the y-intercepts of y = cos x?
A. 1 B. none C. 0 D. -1
Solve the problem.
The graph models the average amount spent annually on entertainment per household in Country X from 1981 to 1987. (i) Find the slope of the line. (ii) Find a point-slope form for the line. (Answers may vary.)
A. Slope is 1012.5; point-slope form is y = 1012.5(x - 1982) + 2250. B. Slope is 787.5; point-slope form is y = 787.5(x - 1984) + 4275. C. Slope is 1237.5; point-slope form is y = 1237.5(x - 1984) + 4275. D. Slope is 562.5; point-slope form is y = 562.5(x - 1982) + 2250.
Use the substitution method to solve the system of linear equations. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this. x + y = 63x + 3y = 18
A. (9, -3)
B. {(x, y) 
}
C. (0, 0)
D. No solution
Solve the rational equation.
+ 
= 
A. 
B. 
C. 
D. 