Solve the system by the addition method.3x + 6y = 303x + 2y = 46
A. {(-4, 18)}
B. {(-18, 6)}
C. {(18, -4)}
D. {(-18, 3)}
Answer: C
Mathematics
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A. Local maximum at 
B. Local minimum at 
C. Local maximum at 
D. Local maximum at 
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Solve the equation. Give exact solutions.5e2x + 14ex = 24
A. 
B. {ln 4}
C. 
D. 
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Approximately how long will it take an investment of $900 to triple, if the interest rate is 3.75% per year compounded continuously?
(a) 4.5 years (b) 21 years (c) 2.9 years (d) 29 years (e) 9 years
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Use properties of limits to find the indicated limit. It may be necessary to rewrite an expression before limit properties can be applied.
15x3
A. -343 B. 15 C. -7 D. -5145
Mathematics