Factor the polynomial completely using the trial and error method.- 639x2 + 63x3 + 648x
A. 9x(x - 9)(7x - 8)
B. x(9x - 9)(7x - 8)
C. 9x(x + 9)(7x + 8)
D. prime
Answer: A
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Find the quotient and write in rectangular form. First convert the numerator and denominator to trigonometric form.
A. -4i
B. -4i
C. 4i
D. 4
- 4i
Find the linear approximating polynomial for the function centered at a.f(x) = 
, a = 0
A. L(x) = 
x + 6
B. L(x) = 
x - 6
C. L(x) = 
x + 6
D. L(x) = 
x - 6
Solve the problem.For its regular delivery service, a parcel service charges 
for the first 5 pounds plus $1.50 for each additional pound. (i) Draw a linear graph that can be used to estimate the cost of parcels weighing 5 to 25 pounds. Use the horizontal axis for the weight and the vertical axis for the cost. (ii) Use the graph to estimate the weight of a parcel which costs 
A. (i) 
(ii) About 17 lb
B. (i) 
(ii) About 7 lb
C. (i) 
(ii) About 12 lb
D. (i) 
(ii) About 20 lb
Find the eigenvalues and the corresponding eigenvectors 
What will be an ideal response?