Multiply.(4 - 11x)(4 + 11x)
A. 16 - 88x - 121x2
B. 16 + 88x - 121x2
C. 16 - 11x2
D. 16 - 121x2
Answer: D
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Simplify.
-4
A. 
B. 
C. x20y8w4z12
D. 
Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. - 
B. - 
C. -1 - 
D. - 
Factor the polynomial completely.-2x2 - 10x - 12
A. prime B. -(2x + 3)(x + 4) C. -(2x + 4)(x + 3) D. -(2x - 4)(x - 3)
Solve the problem.Southern Granite and Marble sells granite and marble by the square yard. One of its granite patterns is price sensitive. If the price is too low, customers perceive that it has less quality. If the price is too high, customers perceive that it is overpriced. The company conducted a pricing test with potential customers. The following data was collected. 
Let B(x) be the number of buyers at a price of x dollars per square yard. The number of buyers can be modeled by the quadratic model 
Use the model to estimate the price which yields the largest number of
buyers. A. $60 per square yard B. $64 per square yard C. $66 per square yard D. $62 per square yard