Solve the inequality numerically. Approximate endpoints to the nearest tenth.2.3
+ 1.7x ? 9
A. x ? 2.9
B. x ? -3.1
C. x ? 3.1
D. x ? -2.9
Answer: A
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Solve the inequality graphically by using a graphing calculator.0.5x3 < 1 - 2x2
A. x < -4.12 B. x < 4.12 C. -3.87 < x < -0.79, x > 0.66 D. x < -3.87, -0.79 < x < 0.66
Solve the problem.Use the following table, which shows the average price for a new beverage that is served at a coffee chain. Let the 10 selected regions represent the universal set. Use the list to represent the set in 
form.
{x|x is a region in which the average price of the new beverage is at least $6.00}
A. {A, B} B. {A, B, C, D} C. {A, B, C} D. {D, E, F, G, H, K, L}
Solve the problem.The time t (in years) for an investment to increase by 
when the interest rate is 
is given by 
Evaluate this expression by using the first four terms of the appropriate series expansion.
A. 2.69 years B. 3.78 years C. 6.82 years D. 4.35 years
Perform the indicated operation. Write the answer in scientific notation.(19.9 × 109) ÷ (5 × 10-2)
A. 3.98 × 107 B. 3.98 × 1011 C. 7.96 × 107 D. 7.96 × 1011