Solve the system of equations by graphing.
?
?
?
A. (2, 4), (1, 2)
B. (2, 1), (1, 2)
C. (4, 1), (1, 4)
D. (4, 4), (1, 1)
E. no solution
Answer: C
Mathematics
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Graph the function.y = 3 sin 
A. 
B. 
C. 
D. 
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Express as a sum, difference, and product of logarithms, without using exponents.logb 
A. 
logb x - 
logb x + 3logb z
B. 
logb x9 + logb y5 - logb z6
C. 
logb x + 
logb y - 3logb z
D. 
logb x + 5logb y - 6logbz
Mathematics
Solve the problem.The regular price of a ring is $495.50. During a May jewelry sale, the ring was discounted 30%. What was the sale price of the ring?
A. $149.65 B. $148.65 C. $346.85 D. $347.85
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Solve the inequality algebraically. Express the solution in interval notation.x4 < 81x2
A. (-?, -9) ? (9, ?) B. (-9, 0) ? (9, ?) C. (-9, 0) ? (0, 9) D. (-?, -9) ? (0, 9)
Mathematics