Multiply using the FOIL method.(3x + 3)(2x + 4)
A. 6x2 + 18x + 12
B. 6x2 + 18x + 18
C. 5x2 + 18x + 12
D. 5x2 + 18x + 18
Answer: A
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Provide an appropriate response.Use the Intermediate Value Theorem to prove that 4x3 - 5x2 - 4x + 9 = 0 has a solution between -2 and -1.
What will be an ideal response?
Let A = {1, 3, 5, 7}, B = {5, 6, 7, 8}, C = {5, 8}, D = {2, 5, 8}, and U = {1, 2, 3, 4, 5, 6, 7, 8}. Decide if the set relationship is true or false.C ? D
A. True B. False
Solve the exponential equation. For irrational solutions, round to four decimal places.31 + 2x = 27
A. {1} B. {3} C. {-1} D. {9}
A study prepared for the National Association of Realtors estimates that the number of housing starts per year over the next 5 yr will be 
million units, where r (percent) is the mortgage rate.
?
Use differentials to estimate the decrease in the number of housing starts when the mortgage rate is increased from 17% to 17.2%. Round to the nearest unit.
?
A. 12,567 housing starts B. 12,819 housing starts C. 12,362 housing starts D. 11,956 housing starts