Solve for the variable. Choose the method you feel will work best.3x2 + 12x = - 2
A. x = 
B. x = 
C. x = 
D. x = 
Answer: A
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?The circumference of the Earth is approximately 24,884.5 miles, using 3.14 for ?. What is the diameter of the Earth? ?
A.
?7,925miles
B.
?3,962.5miles
C.
?
miles
D.
?
miles
E.
?Cannot be determined.
In the following situation, state whether two variables are related in a way that might be described by a function. If so, identify the independent and dependent variables.You make a list of the titles of books in a public library and their copyright year.
A. Independend variable, copyright year; dependent variable, book title B. Independend variable, book title; dependent variable, copyright year C. does not describe a function
Sketch the logarithmic function. Determine the domain and range.f(x) = log(x + 5) + 1
A. Domain: (0, ?), range: (-?, ?)
B. Domain: (-5, ?), range: (-?, ?)
C. Domain: (0, ?), range: (-?, ?)
D. Domain: (-5, ?), range: (-?, ?)
Find the least common multiple for the set of numbers.2 and 7
A. 9 B. 28 C. 14 D. 1