Evaluate the root.
A. 4
B. 2
C. 3
D. { }
Answer: B
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Solve the problem.Let f(x) = cos x, g(x) = x - ?/3, and h(x) = 2x. Find f(g(?/3)).
A. 0 B. 2 C. -1 D. 1
Perform the indicated operation. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
Solve the problem.Meisha has $25,000 that she wants to invest. She invests it in accounts paying 12%, 7%, and 6% simple interest. The account paying 12% is a higher-risk account, so she wants the amount in that account to be half of the amount she has in the account paying 6% simple interest. If her annual interest is $1945, how much is invested at each rate?
What will be an ideal response?
Solve the problem. Round money amounts to the nearest cent.Andrew wants to buy a piece of copper wire that measures 417 cm. The price is $3.33 per meter plus a 7% sales tax. How much will Andrew have to pay?
A. $13.89 B. $14.86 C. $14.25 D. $14.31