Solve the equation.2 + log3(2x + 5) - log3 x = 4
A. 
B. 
C. 
D. 
Answer: D
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Provide an appropriate response.Find a cofunction equivalent to sin
.
A. sin 
B. cos 
C. sin 
D. cos 
Solve the problem.A person plans to invest a total of $42,000 in a CD at 4% annual interest and a mutual fund that has a 3-year average annual interest of 10%. Let x and y represent the money (in dollars) invested in the CD and the mutual fund, respectively. How much money should be invested in each account to earn a total of $2400 in one year?
A. $30,000 invested at 4%; $12,000 invested at 10% B. $22,000 invested at 4%; $20,000 invested at 10% C. $20,000 invested at 4%; $22,000 invested at 10% D. $12,000 invested at 4%; $30,000 invested at 10%
Write the quotient in the standard form.
A. 
+ 
i
B. 
+ 
i
C. 
- 
i
D. 
- 
i
Decide whether the graph opens up or opens down.f(x) = -3(x - 3)2 - 5
A. opens down B. opens up