Write the comparison as a ratio in the form of a fraction.25 children for every 4 adults
A. 
B. 
C. 
D. 
Answer: B
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Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = (-2x + 7)3
A. y = u3; u = -2x + 7; 
= -6(-2x + 7)2
B. y = u3; u = -2x + 7; 
= -2(-2x + 7)3
C. y = u3; u = -2x + 7; 
= 3(-2x + 7)2
D. y = 3u + 7; u = x3; 
= -6x2
Graph the function.A farmer wants to fence a field with a perimeter of 200 yd. The minimum width of the field would be 20 yd and the maximum width would be 70 yd. Plot the graph of the area A of the field as a function of its width w. 
A. 
B. 
C. 
D. 
Write the first four elements of the sequence. sin (n?)
A. 1, 0, -1, 0 B. 0, 0, 0, 0 C. 0, 1, 0, -1 D. 1, 1, 1, 1
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) = 
- 
B. f(x) = 
- 
C. f(x) = 
+ 
D. f(x) = 
+ 
