Solve the problem.The table lists the average composite scores on a national entrance exam for selected years. 
Make a line graph of the data. If the graph represents a piecewise-linear function f, find a symbolic representation for the piece of f located on the interval 
A. f(x) = 0.75x - 1359.5 if 1986 ? x ? 1990
B. f(x) = 4.4x - 8615.7 if 1990 ? x ? 1992
C. f(x) = 131.5 if 1986 ? x ? 1988
D. f(x) = 122.7 if 1990 ? x ? 1992
Answer: C
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Solve the problem.Suppose you buy a $9000 savings bond that pays 4.75% annual simple interest. When you cash in the bond, you have to pay 16% federal taxes on the interest you earned. How much money would you net if you cash in the bond after six years? Round your answer to the nearest cent.
A. $13,275.30 B. $10,915.20 C. $10,440.70 D. $11,565.60 E. $11,154.60
Find the exact value of the expression.
A. -2
B. - 
C. -
D. - 
Solve the logarithmic equation.log2 (3x - 4) = 2
A. 
B. 
C. 
D. 5
Find the range of the set of numbers.Each of 8 different dogs had a litter of puppies. The litter sizes are given for each dog.4, 6, 3, 4, 5, 4, 7, 3
A. 4.5 B. 7 C. 4 D. 3