Use the limit rules to find the limit.Let
f(x) = -8 and 
g(x) = -6. Find
[f(x) + g(x)]2.
A. -14
B. -2
C. 100
D. 196
Answer: D
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Evaluate the improper integral or state that it is divergent.
A. 7 B. 0 C. Divergent D. 14
Use the two steps for solving a linear programming problem to solve the problem.A chemical company must use a new process to reduce pollution. The old emits 7 g of sulphur and 14 g of lead per liter of chemical made. The new emits 2 g of sulphur and 3.5 g of lead per liter of chemical made. The company makes a profit per liter of 
under the old and 
under the new. No more than 13,701 g of sulphur and no more than 10,598 g of lead can be emitted daily. How many liters of chemical could be made under the old and under the new to maximize profits? Let x represent the
number of liters produced under the old process and y represent the number of liters produced under the new process. A. 0 liter(s) under old process and 3028 liter(s) under new process B. 0 liter(s) under old process and 2928 liter(s) under new process C. 1093 liter(s) under old process and 2928 liter(s) under new process D. 3028 liter(s) under old process and 1093 liter(s) under new process
Solve the problem.Using a phone card to make a long distance call costs a flat fee of $0.11 plus $0.16 per minute starting with the first minute. Use an equation to find the number of minutes a phone call lasts in which the total charge is $2.19.
A. 19 min. B. 13 min. C. 9 min. D. 23 min.
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?
A. $300,000 B. $360,000 C. $60,000 D. $218,400