Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer.log (x + 20) - log 4 = log (7x + 2)
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Draw the angle in standard position.
A. 
B. 
C. 
D. 
Mathematics
Use the given information to find the exact value of the trigonometric function.cos ? = 
; The terminal side of ? lies in Quadrant IV.
Find cos 
.
A. 
B. 
C. - 
D. - 
Mathematics
Solve the problem.A car traveled 249 miles on 9
gallons of gas. How many miles per gallon did it get?
A. 27 mpg
B. 27
mpg
C. 27
D. 28 mpg
Mathematics
Write the first four terms of the sequence whose general term is given.an = 2n
A. 3, 4, 5, 6 B. 2, 4, 6, 8 C. 1, 0, -1, -2 D. 0, 2, 4, 6
Mathematics