Solve.x -  = - 

A. - 
B.
C. - 
D.


Answer: D

Mathematics

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Find at least three nonzero terms [including a0, at least two cosine terms (if they are not all zero) and at least two sine terms (if they are not all zero)] of the Fourier series for the given function.f(x) = 

A. f(x) =  +  - (3 sin x - sin 2x + . . .)
B. f(x) =  +  - (5 sin x - sin 2x + . . .)
C. f(x) =  -  + 
D. f(x) =  +  - (3 sin x - sin 2x + . . .)

Mathematics

Find the center and radius of the circle.(x - 3)2 + y2 = 1

A. Center: (-3, 0); radius: 1 B. Center: (3, 0); radius: 1 C. Center: (0, -3); radius: 1 D. Center: (0, 3); radius: 1

Mathematics

Solve the equation or inequality.|7x + 4| + 5 = 12

A. , - 
B. ?
C. - 
D. , - 

Mathematics

Solve the problem.The height of a triangle is 5 cm more than the length of the base. If the area of the triangle is  find the height and length of the base.

A. height: 24 cm, base: 17 cm B. height: 22 cm, base: 17 cm C. height: 23 cm, base: 18 cm D. height: 18 cm, base: 13 cm

Mathematics