Determine whether f is continuous at c.f(x) = 
;c = 7
A. not continuous
B. continuous
Answer: A
Mathematics
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Evaluate the integral.
A. 
B. 
C. 
D. 
Mathematics
Solve the absolute value inequality. Write the solution set using interval notation.
< 3
A. (-2.2, 3.8) B. (-?, -2.2) ? (3.8, ?) C. (-3.8, 2.2) D. (-?, -3.8) ? (2.2, ?)
Mathematics
Find the nth term an of the geometric sequence.an = 
; 3, - 
, 
, . . . .
A. n = 12 B. n = 7 C. n = 10 D. n = 5
Mathematics
Find the exact value of the expression if ? = 30°. Do not use a calculator.f(?) = sec ?Find f(?).
A. 2
B. 
C. 
D. 
Mathematics