Determine whether the given function is one-to-one. If it is one-to-one, find a formula for the inverse.f(x) = 2x + 7
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
- 7
D. Not one-to-one
Answer: B
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The following question(s) refer(s) to the capture-recapture method: n1 denotes the size of the tagged (captured) sample, n2 denotes the size of the second (recaptured) sample, and k denotes the number of tagged individuals in the second sample.The N-value of the population can be estimated to be
A. 
B. 
C. 
D. 
E. none of these
Provide an appropriate response.Find the mean of the following (round to nearest tenth): 53, 89, 72, 16, 59
Fill in the blank(s) with the appropriate word(s).
Use the given graph of the polynomial function to state whether the leading coefficient is positive or negative and whether the polynomial function is cubic or quartic.
A. Positive; Quartic B. Negative; Cubic C. Negative; Quartic D. Positive; Cubic
Solve the system of equations.
A. x = -2, y = -4, z = 5; (-2, -4, 5) B. x = 5, y = -4, z = -2; (5, -4, -2) C. x = 5, y = -2, z = -4; (5, -2, -4) D. inconsistent