Determine whether the given function is one-to-one. If it is one-to-one, find a formula for the inverse.f(x) = x 
A. f-1(x) = x 
B. Not one-to-one
C. f-1(x) = x3 - 5
D. f-1(x) = x2 + 5
Answer: B
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Provide an appropriate response.A shipment of 20 digital cameras contains two that are defective. A random sample of three is selected and tested. Let X be the random variable associated with the number of defective cameras in a sample. Find the probability distribution of X and the expected number of defective cameras in a sample.
What will be an ideal response?
Convert to decimal notation.3.965 × 10-5
A. -396,500 B. 0.0003965 C. 0.00003965 D. 0.000003965
Simplify the expression.sin 8x cos 8x
A. cos 4x
B. 2 sin 4x
C. cos 8x
D. 
sin 16x
Graph each function. Use the graph to determine the domain and range.f(x) = 
x2
A. Domain: (-?, ?)
Range: (-?, ?)
B. Domain: (-?, ?)
Range: (-?, 0]
C. Domain: (-?, ?)
Range: [0, ?)
D. Domain: (-?, 
]
Range: (-?, 0]