Rewrite the expression with the given denominator.
= 
A. 
B. 
C. 
D. 
Answer: A
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Perform the operation indicated. Simplify.
- 
A. 
B. 
C. 5
D. 1
Use a calculator to approximate the square root to three decimal places.- 
A. -88.747 B. -88.744 C. -7,876.000 D. -88.752
Use the discriminant to find what type of solutions (two rational, two irrational, one rational, or two nonreal complex) each of the following equations has. Do not solve the equation.x2 - 5x + 7 = 0
A. one rational solution B. two rational solutions C. two irrational solutions D. two nonreal complex solutions
Solve the problem.The graph models the monthly average temperature y in degrees Fahrenheit for a city in the United States, where x is the month.
Find and interpret the amplitude.
A. The amplitude is 28 and represents the temperature range. B. The amplitude is 59 and represents the midpoint of the monthly average temperatures. C. The amplitude is 28 and represents half of the temperature range. D. The amplitude is 56 and represents half of the temperature range.