Solve the problem.For what numbers ? is f(?) = sec ? not defined?
A. odd multiples of 
(90°)
B. all real numbers
C. integral multiples of ? (180°)
D. odd multiples of ? (180°)
Answer: A
Mathematics
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A. 319 days B. 317 days C. 282 days D. 318 days
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Find the zero of the linear function.f(x) = 15 + x
A. -15
B. 15
C. 1
D. 
Mathematics
Find the average rate of change for the function between the given values.f(x) = x2 + 6x; from 3 to 7
A. 
B. 
C. 16
D. 13
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Simplify.26 + 25 × 28
A. 678 B. 79 C. 1428 D. 726
Mathematics