Write the rational expression in lowest terms.

A.  
B.  
C.  
D.


Answer: B

Mathematics

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Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = tan u, u = -10x + 18

A. - sec2(-10x + 18) B. -10 sec2(-10x + 18) C. -10 sec (-10x + 18) tan (-10x + 18) D. sec2(-10x + 18)

Mathematics

Find the length and direction (when defined) of u × v.u = 5i, v = 3j

A. 5; 3k B. 15; 15k C. 15; k D. 15; -k

Mathematics

Solve the problem.In how many distinguishable ways can the letters of the word BASEBALL be arranged?

A. 10,080 B. 20,160 C. 40,320 D. 5040

Mathematics

Find the difference and simplify the answer.  -  

A. 1
B. 1
C. 2
D. 1

Mathematics