The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = -8x
C. f-1(x) = 
D. f-1(x) = 8x
Answer: A
Mathematics
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A. 0.0039 B. -0.0039 C. -0.0090 D. 0.0090
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Answer true or false.Although (9, 8) is not a solution of x + 4y = 2, it can still be a solution of the system 
.
A. True B. False
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For a Bernoulli experiment with 
, find 
.
What will be an ideal response?
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Find the period and amplitude. ? y = -7 sin x ?
A. Period: ?; Amplitude: -7
B. Period: ?; Amplitude: 
C. Period: 2?; Amplitude: 7
D. Period: 2?; Amplitude: 
E. Period: 2?; Amplitude: 1
Mathematics