Solve the inequality. Graph the solution set and write the solution set in set-builder notation.(x - 9)(x + 3) > 0
A. {x 
B. {x 
C. {x 
D. {x 
Answer: C
Mathematics
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Perform the indicated operations.(n + 10)2
A. n + 100 B. n2 + 100 C. n2 + 20n + 100 D. 100n2 + 20n + 100
Mathematics
Give an appropriate answer.Let
f(x) = 64. Find
.
A. 64 B. 2.8284 C. 8 D. 10
Mathematics
Add the following numbers:
a. 1.23 ð 103 + 4.56 ð 102 b. 81.6 ð 102 + 9.42 ð 103 c. 17.3 ð 10-2 + 47.0 ð 10-3
Mathematics
Solve the problem.For a dial-up service between two cities, a telephone company charges 105 cents for the first minute and 
for each additional minute (or fraction thereof). Write an equation such that y, the total cost of the call in cents, is expressed in terms of x, the length of the call in minutes for 1 ? x ? 8.
Fill in the blank(s) with the appropriate word(s).
Mathematics