Determine whether the Fourier series of the given function will include only sine terms, only cosine terms, or both sine terms and cosine terms.f(x) = 7 - 8x + x2 -8 ? x < 8
A. both sine and cosine terms
B. only cosine terms
C. only sine terms
Answer: A
Mathematics
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Use a proportion to solve the problem.The ratio of the distances a pitching wedge and an 8-iron will drive a golf ball is 4 to 5. If a golfer averages 72 yards with a pitching wedge, how far should she average with an 8-iron?
A. 58 yards B. 63 yards C. 90 yards D. 81 yards
Mathematics
Solve the system by substitution. 2u + v = 24u - 3v = -6
A. u = - 
, v = 2
B. u = 0, v = 2
C. u = 2, v = 0
D. u = 2, v = - 
Mathematics
Based on the graph, find the range of y = f(x).f(x) = 
A. [0, 
]
B. [0, ?)
C. [0, 8]
D. [0, 8)
Mathematics
Find the exact value of the expression if ? = 30°. Do not use a calculator.f(?) = tan ?Find f(?).
A. 
B. 1
C. 
D. 
Mathematics