Find the term that should be added to the expression to form a perfect square trinomial. Write the resulting perfect square trinomial in factored form.x2 - 3x
A. 0; 
2
B. 
; 
2
C. 
; 
2
D. 9; 
2
Answer: B
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Provide an appropriate response.The demand function for a certain product is given by: p = 
, where p is the price and q is the quantity demanded.(a)Find the values of q for which p > 0.(b)Find the values of q for which p < 0.(c)What do the results of (a) and (b) mean and why does this make sense?
What will be an ideal response?
Solve the problem.The power dissipated in an electric circuit is given by the expression 
where R is the resistance of the circuit and I is the current through the circuit. For a sinusoidal alternating current, the current might be represented by the relation 
where A is the amplitude, f is the frequency, and t is time. Write an expression for P involving the sine function, and use a fundamental identity to write P in terms of the cosine function.
A. P = RA sin2(2?f t) ; P = RA - cos2(2?f t) B. P = RA2 sin2(2?f t) ; P = - RA2 cos2(2?f t) C. P = RA2 sin2(2?f t) ; P = RA2 - RA2 cos2(2?f t) D. P = RA sin2(2?f t) ; P = RA - RA cos2(2?f t)
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: -1, 2, and 1 - 2i.
A. f(x) = x4 - 3x3 + 5x2 - x - 10 B. f(x) = x4 - x3 + x2 + 9x - 10 C. f(x) = x4 - 3x3 - 3x2 + 7x + 6 D. f(x) = x4 - x3 + 3x2 - 5x - 10
Find an equation of the parabola described.Focus at (0, 21); directrix the line y = -21
A. x2 = 84y B. y2 = 21x C. x2 = -84y D. y2 = 84x