Use the FOIL method to find the product. Express the product in descending powers of the variable.(8x + 4)(x + 3)
A. 8x2 + 28x + 28
B. 8x2 + 28x + 12
C. 8x2 + 12x + 28
D. 8x2 + 26x + 12
Answer: B
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For the pair of functions, find the indicated domain.f(x) = x2 - 1, g(x) = 2x + 3Find the domain of f/g.
A. (-?, ?)
B. 
C. 
? 
D. (-1, 1)
Express the statement as an equation involving the indicated variables.The area A of a rectangle is the product of its length l and its width w.
A. A = l + w
B. A = lw
C. A = 2(l + w)
D. A = 
Write the percent as a decimal.6%
A. 0.6 B. 0.06 C. 6 D. 60
The following is the slope of line representing annual sale y in term of time x in year. Use the slope to interpret any change in annual sales for a one-year increase in time. ? The line has a slope of m = 134. ?
A. No change in sales B. Sales decreasing 134 units/yr C. Sales increasing 134 units/yr D. None of the above