Find the average rate of change of the function as x changes from a to b.f(x) = -4x + 5; a = 1, b = 5
A. 0
B. - 
C. -4
D. 4
Answer: C
Mathematics
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For which positive integers k is the series  FIGURE 1.png)
convergent?
 multiple choice.png)
Mathematics
Find the domain of the function.
A. {x|8 ? x ? 31} B. {x|-8 ? x ? 31} C. {x|-8 ? x < 8 or 8 < x ? 31} D. {x|x ? -8}
Mathematics
Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.
A. 2
B. 
C. 2r-2
D. 2r2
Mathematics
Solve.The scale on a map states that 1 centimeter corresponds to 50 kilometers. On the map, two cities are 17 cm apart. Find the actual distance.
A. 850 km B. 8500 km C. 85 km D. 85,000 km
Mathematics