Choose the function that might be used as a model for the data in the scatter plot.
A. Logistic, f(x) = 
B. Polynomial, not quadratic
C. Quadratic, f(x) = ax2 + bx + c
D. Exponential, f(x) = ab-x or f(x) = P0e-kx, k > 0
Answer: B
Mathematics
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Find the reciprocal of the number or algebraic fraction.
A. 14
B. 0
C. 
D. 1
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Find i (the rate per period) and n (the number of periods) for the annuity.Semiannual deposits of $400 are made for 10 years into an annuity that pays 7% compounded semiannually.
A. i = 0.0175; n = 40 B. i = 0.035; n = 20 C. i = 0.07; n = 10 D. i = 0.35; n = 10
Mathematics
Graph the linear equation.x + y = -2
A. 
B. 
C. 
D. 
Mathematics
Find two real numbers between -2? and 2? that determine the point on the unit circle.
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics