Solve for the requested variable without determining the constant of variation, k. Use the fact that if 
and 
then 
so that 
Assuming that y varies directly as the cube of x, and y = 6 when x = 21, find y when x = 35.
A. y = 
B. y = 10
C. y = 
D. y = 
Answer: A
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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) = 
+ 
B. f(x) = 
+ 
C. f(x) = 
+ 
D. f(x) = 
+ 
Provide an appropriate response.The swimming pool measures 60 ft by 28 ft. How much fencing is needed, including material for a gate, if the fence is to be built 10 ft from each side of the pool?
A. 1,720 ft B. 216 ft C. 256 ft D. 128 ft
Solve.A phone costs $67 and a battery recharger costs $23. What is the total price for purchasing these items if the sales tax rate is 7%?
A. $153.00 B. $90.00 C. $96.30 D. $6.30
Find the prime factorization of the number. Write any repeated factors using exponents.610
A. 10 ? 61 B. 22 ? 61 C. 52 ? 61 D. 2 ? 5 ? 61