Write the equation of the graph in its final position.The graph of y = x2 is vertically stretched by a factor of 4, and the resulting graph is reflected across the x-axis.
A. y = 4(x - 4)x2
B. y = -4x2
C. y = (x - 4)2
D. y = 4x2
Answer: B
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Evaluate the expression.4!
Fill in the blank(s) with the appropriate word(s).
The graph that follows is the graph of a polynomial function. (i) What is the minimum degree of a polynomial function that could have the graph? (ii) Is the leading coefficient of the polynomial negative or positive? 
A. (i) 2 (ii) Positive B. (i) 3 (ii) Positive C. (i) 2 (ii) Negative D. (i) 3 (ii) Negative
Choose which of the following descriptions apply to the number (more than one may apply): whole, integer, rational, irrational, real.- 
A. Real, rational B. Real, rational, integer C. Real, irrational D. Real, whole
Consider a person who invests in AAA-rated bonds, A-rated bonds, and B-rated bonds. The average yields are 6.5% on AAA bonds, 7% on A bonds, and 9% on B bonds. The person invests twice as much in B bonds as in A bonds. Let x, y and z represent the amounts invested in AAA, A, and B bonds, respectively.
Total Investment
Annual Return
$12,000
890
Use the inverse of the coefficient matrix of this system to find the amount invested in each type of bond.
A. $7,000 in AAA-rated bonds$2,000 in A-rated bonds$4,000 in B-rated bonds B. $5,000 in AAA-rated bonds$7,000 in A-rated bonds$3,000 in B-rated bonds C. $5,000 in AAA-rated bonds$6,000 in A-rated bonds$4,000 in B-rated bonds D. $3,000 in AAA-rated bonds $2,000 in A-rated bonds$6,000 in B-rated bonds E. $6,000 in AAA-rated bonds$2,000 in A-rated bonds$4,000 in B-rated bonds