For the compound inequality, give the solution set in both interval and graph forms.9x - 6 < 3x or -4x ? -12
A. ?
B. (1, 3)
C. (-?, 1) ? [3, ?)
D. [1, 3]
Answer: C
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Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(
+ 
)(
- 
)
A. 
+ 
+ 
+ 11
B. 
+ 
- 
- 11
C. 
+ 
+ 
- 11
D. 
+ 
- 
+ 11
Solve.A certain amount of money saved for 1 year at a certain annual interest rate (simple interest) yielded $6.45 in interest. If we had added $86 to the principal and reduced the interest rate by 2 percentage point(s), the interest would have been the same. Find the principal and the rate.
A. $642.00, 5% B. $8.66, 7.45% C. $129.00, 5% D. $642.00, 3%
For the functions f(x) and g(x), determine the domain of (f ? g)(x) (the product of f and g).f(x) = 3x + 
, g(x) = 1 - x2
A. {x ? x is a real number} B. {x ? x is a real number and x ? -4} C. {x ? x is a real number and x ? 4} D. {x ? x is a real number and x ? 1}
Solve the problem.Lexie wants to have an income of $9000 per year from investments. To that end she is going to invest $90,000 in three different accounts. These accounts pay 7%, 10%, and 14% simple interest. If she wants to have $10,000 more in the account paying 7% simple interest than she has in the account paying 14% simple interest, how much should go into each account?
What will be an ideal response?