For each set described, write the set in roster form.The set of letters needed to spell these words:toot, tot, too, to
A. {t, o}
B. {t, t, o}
C. {t, o, o}
D. {t, t, o, o}
Answer: A
Mathematics
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Rewrite the radical expression using rational exponents. Assume all variables represent nonnegative real numbers.
7
A. (5x4y)9/7 B. (5x4y)7/9 C. (5xy)19 D. (5x4y)2
Mathematics
Find the divergence of the field F.F = -8x9i - 2y9j + 5z9k
A. -8x8 - 2y8 + 5z8 B. -72x8 - 18y8 + 45z8 C. 0 D. -45
Mathematics
An observer for a radar station is located at the origin of a coordinate system. For the point given, find the bearing of an airplane located at that point. Express the bearing using both methods.(-8, -8)
A. 225°; S 45° E B. 225°; S 45° W C. 315°; N 45° W D. 315°; N 45° E
Mathematics
Find the function value.Let f(x) = 4x. Find f(3).
A. 256 B. 12 C. 81 D. 64
Mathematics