Write the phrase as a mathematical expression. Use x to represent the number. Combine like terms if possible.6 times a number added to -8, added to 6 times the sum of 9 times the number 
A. 6x - 8 + 6(9 + 7x); 48x + 60
B. 6(-8 + x) + 6(9x + 7); 60x - 41
C. 6(9x + 7) + [6x + (-8)]; 60x + 34
D. 6(-8 + x) + 6(9 + 7x); 13x + 6
Answer: C
Mathematics
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For the given set of ordered pairs, determine whether a function could be defined for which the input would be an x-coordinate and the output would be the corresponding y-coordinate.{(-6, -1), (-2, 2), (1, 5), (6, 7)}
A. Yes B. No
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Solve the equation.5(2z - 5) = 9(z + 3)
A. 7 B. 52 C. -2 D. 2
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Find the limit as x approaches c of the average rate of change of the function from c to x.c = 3;f(x) = 3x2 + 39x
A. 90 B. 30 C. 57 D. 108
Mathematics
Perform the indicated operation.Subtract (-7x2 - 3x + 2) from (-x2 - 6x + 7).
A. 6x2 - 3x + 5 B. 8x2 - 3x + 9 C. -8x2 - 9x + 9 D. 6x2 + 3x + 5
Mathematics