Write the logarithmic equation as an exponential equation.log327 = x
A. 3x = 27
B. 27x = 3
C. x3 = 27
D. 273 = x
Answer: A
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Give an appropriate answer.Given the function f(x, y, z) and the positive number ? as in the formal definition of a limit, find a positive number ? as in the definition that insures 
< ?.f(x, y, z) = 
; ? = 0.01
What will be an ideal response?
Evaluate the expression by hand. Variables represent any real number.
A. -5 B. 15 C. 5 D. -125
Solve the problem.The life expectancy of inhabitants of a country can be approximated by the equation y = 0.305x - 385, where x is a year between 1940 and 2006 and y is age in years. Use this mathematical model to approximate life expectancy (to the nearest tenth of a year) in 1973.
A. 301.8 yr B. 216.8 yr C. 597.9 yr D. 563.3 yr
Each of the two diagrams in the figure below shows lines in the same plane. Determine whether the following statement is true or false. The lines a1 and a3 are both intersecting and parallel.
?
?
A. false B. true