Solve the equation.3(-13 + 
)2 = -4(-13 + 
) - 1
A. 
B. 
C. 
D. 
Answer: A
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The maximum value of 
is always the same as the maximum value of 
.
Answer the following statement true (T) or false (F)
Solve the problem.Some people must eat a low-sodium diet with no more than 2,000 mg of sodium per day. By eating 1 cracker, 1 pretzel, and 1 cookie, a person would ingest 149 mg of sodium. If a person ate 8 pretzels and 8 cookies, he or she would ingest 936 mg of sodium. By eating 6 crackers and 7 pretzels, the person would take in 535 mg of sodium. Which of the following is true?
A. A cracker has 30 mg of sodium. B. A cookie has 71 mg of sodium. C. A pretzel has 49 mg of sodium. D. None of these
Clear fractions then solve by substitution.
- 
= 
+ 
= 
A. 
B. 
C. 
D. 
Find the area enclosed by the given curves.Find the area between the curves y = ln x and y = ln 3x from x = 1 to x = 5.
A. ln 243 B. ln 81 C. ln 81 - 8 D. ln 3