Solve the inequality. Graph the solution set, and state the solution set in interval notation.|x - 7| + 8 ? 13
A. [2, 13]
B. (2, 12)
C. [2, 12]
D. ?
Answer: C
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Use the theorem on bounds to establish the best integral bounds for the roots of the equation.-7x4 - 2x3 + 6x + 9 = 0
A. No bound can be determined. B. -2 < x < 2 C. -1 < x < 2 D. -1 < x < 1
Translate the sentence into an equation using the variable x.If 5 is subtracted from a number, the result is 11.
A. x = 11 - 5 B. x - 5 = 11 C. 5 - x = 11 D. x - 11 = 5
Write as the sum and/or difference of logarithms. Express powers as factors.ln 
A. 
ln 
+ 
B. 4 ln y + 4
C. 
ln y + 
D. 
Solve the problem.A tour group split into two groups when waiting in line for food at a fast food counter. The first group bought 8 slices of pizza and 4 soft drinks for $36.68. The second group bought 6 slices of pizza and 6 soft drinks for $32.52. How much does one slice of pizza cost?
A. $3.25 per slice of pizza B. $1.67 per slice of pizza C. $2.17 per slice of pizza D. $3.75 per slice of pizza