Perform the indicated operation(s). Simplify if possible.
- 
+ 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the inequality. Write the solution set in interval notation and graph it.f + 1 < 9
A. (-?, 8)
B. [8, ?)
C. (8, ?)
D. (-?, 8]
Mathematics
The shape of the window shown in below is a combination of a rectangle and a semicircle. Find the equation of the circle of which the semicircle is a part.
?
?
; 
?
A. ?
B. ?
C. 
D. ?
E. none of these
Mathematics
Find the first term and the common ratio for the geometric sequence. Round approximations to the nearest hundredth.a2 = 2187, a8 = 3
A. a1 = 6561, r = 0.33 B. a1 = 3, r = 3 C. a1 = 9, r = 3 D. a1 = 19,683, r = 0.33
Mathematics
Graph the piecewise function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics