Solve the compound inequality. Express the solution using interval notation. Graph the solution set.7 ? 5t - 3 ? 22
A. [2, 5]
B. [-5, -2]
C. (-5, -2)
D. (2, 5)
Answer: A
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Find the length of the indicated portion of the curve.r(t) = (4cos t)i + (4sin t)j + 5tk, 0 ? t ? ?/2
A. 
?
B. 
?
C. 
?
D. 
?
Use the method of writing each premise in symbols in order to write a conclusion that yields a valid argument.If you pay your taxes, then you are a good citizen. People who do not pay their taxes did not receive a tax bill. If it is April, then you will receive a tax bill. It is April.
A. You did not receive a tax bill. B. You are not a good citizen. C. You did not pay your taxes. D. You are a good citizen.
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(9x
- 
)(
- 
)
A. 9x2 - 9x
- 
+ 10
B. 9x2 - 9x + 10
C. 9x2 - 8x
+ 10
D. 9x2 + 10
Solve the problem.The value, v, in hundreds of dollars, of Juan's computer is approximated by 
where t is the number of years since he first bought the computer. Estimate the value of the computer 4 years after it was purchased.
A. $600 B. $1000 C. $720 D. $400