Graph the function.f(x) = log3(x + 4)
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 1
D. 
Mathematics
Find values for the variables so that the matrices are equal.
= 
A. x = 1; y = 1 B. x = 1; y = 9 C. x = 9; y = 1 D. x = 9; y = 9
Mathematics
Rationalize the denominator.
A. 3
B. 
C. 
D. 3
Mathematics
?Find the speed v, in miles per hour, that will minimize costs on a 125-mile delivery trip. The cost per hour for fuel is 
dollars, and the driver is paid 
dollars per hour. (Assume there are no costs other than wages and fuel.)
?
A. ?75 mph B. ?125 mph C. ?200 mph D. 80? mph E. ?40 mph
Mathematics