Solve the exponential equation. Use a calculator to approximate the solution to the nearest thousandth.4x + 6 = 2
A. x ? 2.778
B. x ? -1.079
C. x ? -5.500
D. x ? 8.000
Answer: C
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Match the given equation with one of the graphs.x2 + y2 = 100
A. 
B. 
C. 
D. 
Describe the solution set as an inequality and in interval notation. |0.3x - 1.2 | ? 1.8
A. -10 ? x ? 2; [-10, 2] B. x ? -10 or x ? 2; (-?, -10] ? [2, ?) C. x ? - 2 or x ? 10; (-?, - 2] ? [10, ?) D. - 2 ? x ? 10; [- 2, 10]
Solve the problem.A wheel of radius 1 foot revolves at a rate of 10 revolutions per second. A dot is painted at a point P on the rim of the wheel (see figure). Find the rate of change in the horizontal position of the dot when 
Give your answer in exact form.
A. 10? ft/s
B. 10?
ft/s
C. 
ft/s
D. 
ft/s
Indicate whether the expression is a polynomial or not a polynomial.-10y5 - 2y4 + 3
A. Not a polynomial B. Polynomial