Use properties of exponents and the inverse properties for exponential and logarithmic functions to simplify the following. log
A. 10x2 + x + 9
B. log(x3 + 9x)
C. x2 + x + 9
D. x3 + 9x
Answer: C
Mathematics
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A. m B. l, m, n, and o C. l and n D. m and o
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Simplify.5.4x - 1.2y - 3.8x + 7y + 2.7x
A. 4.3x + 8.2y B. 11.9x + 5.8y C. 4.3x - 1.2y + 7 D. 4.3x + 5.8y
Mathematics
Graph the equation.r = 1 - 4 cos ?
A. 
B. 
C. 
D. 
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Solve the problem.A store has 15
pounds of short grain rice in stock at the beginning of the day and sells 2
pounds during the course of the day. How many pounds of short grain rice remain at the end of the day?
A. 13
lb
B. 12 lb
C. 11
lb
D. 12
lb
Mathematics