Evaluate the expression without using a calculator.
?
What will be an ideal response?
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Use either the binomial theorem or Pascal's Triangle to expand the binomial.(4x2 - 1)3
A. 64x3 - 48x2 + 12x - 1 B. (16x4 - 8x2 + 1)3 C. 256x8 + 64x6 - 48x4 + 12x2 - 1 D. 64x6 - 48x4 + 12x2 - 1
Solve the problem.The following is a real estate commission on the selling price of a house. 6% for the first $100,000, and 3% for the amount which exceeds $100,000A realtor receives $11,370 for selling a house. What was the selling price?
A. $179,000 B. $279,000 C. $5370 D. $379,000
Solve the problem.The median weekly incomes of full-time male and female workers for various age groups are listed in the table below.AgeIncome (in dollars) 
Let W(a) represent the median weekly income (in dollars) of women and M(a) represent the median weekly income 
of men, both at age a years. Here are the quadratic regression equations for W and M: W(a) = -0.30a2 + 27.61a - 97.01 M(a) = -0.55a2 + 52.01a - 456.46According to these models, at what age(s) is the median weekly income of men equal to the median income of women?
A. 19, 81 B. 20, 78 C. 21, 77 D. 18, 80
For the given functions f and g, find the requested function and state its domain.f(x) = 
; g(x) = 4x - 1Find 
.
A. (
)(x) = 
; {x|x ? 
}
B. (
)(x) = 
; {x|x ? 0, x ? 
}
C. (
)(x) = 
; {x|x ? 0}
D. (
)(x) = 
; {x|x ? 0}