Write the expression in the standard form a + bi.
4
A. - 
- 
i
B. - 
- 
i
C. - 
+ 
i
D. - 
+ 
i
Answer: B
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Provide an appropriate response.The data in the following table can be approximately modeled by an exponential function. Determine an exponential equation that models this data. 
A. y = 29(0.7)x B. y = 14.21(1.3)x C. y = 20.3(1.7)x D. y = 14.21(0.7)x
Use Descartes' Rule of Signs and the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x) = x3 + 3x2 - 4x - 12
A. -3, -2, 2; f(x) = (x + 3)(x + 2)(x - 2) B. -2; f(x) = (x + 2)(x2 + x - 6) C. -3; f(x) = (x + 3)(x2 - x - 4) D. -2, 2, 3; f(x) = (x + 2)(x - 2)(x - 3)
Write the pair of rational expressions in terms of their LCD.
and 
A. 
and 
B. 
and 
C. 
and 
D. 
and 
Find the reciprocal.
A. 
B. 13
C. 
D. 