Solve.
+ 
x = 5
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Write the expression as the logarithm of a single quantity.
ln (x - 5) + 
ln x
A. ln [
+ 
]
B. ln 
C. ln 
D. ln 
Mathematics
Using the graph below, find the domain and range of the given function, and sketch the graph. 
y = -f(x)
A. D: [-7, 2]; R: [-4, 2]
B. D: [-5, 4]; R: [-3, 3]
C. D: [-7.5, 1]; R: [-1, 5]
D. D: [-4, 5]; R: [-3, 3]
Mathematics
Write the rate as a unit rate.2100 people in 50 buses
A. 0.024 person/bus B. 420 people/bus C. 42 people/bus D. 2050 people/bus
Mathematics
Solve the problem.A truck burns fuel at the rate (gallons per hr) of 
while traveling at x mph. If fuel costs 
per gallon, find the speed that minimizes total cost for a 
trip. Round to the nearest tenth.
A. 37.0 mph B. 35.0 mph C. 42.0 mph D. 31.5 mph
Mathematics