Find .y = sec-1(5x3)

A.
B.
C.
D.


Answer: D

Mathematics

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Find the derivative.x8 - x4

A. x7 - x3
B. 4x7 - x3
C. 4x9 - x5
D. 4x8 - x4

Mathematics

Perform the operation and reduce to lowest terms. ×  × 

A.
B.
C.
D.

Mathematics

Solve the problem.The distance that an object falls when it is dropped is directly proportional to the square of the amount of time since it was dropped. An object falls 288 feet in 3 seconds. Find the distance the object falls in 5 seconds.

A. 160 ft B. 800 ft C. 480 ft D. 15 ft

Mathematics

Use the Binomial Theorem to find the indicated coefficient or term.The coefficient of x8 in the expansion of (x2 - 3)7

A. 2835 B. -945 C. -2835 D. 945

Mathematics