Solve the problem.At what interest rate must $4200 be compounded annually to equal $7521.56 after 10 yr? (Round to the nearest percent.)
A. 7%
B. 8%
C. 6%
D. 5%
Answer: C
Mathematics
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Find the average rate of change for the function between the given values.f(x) = x3 + x2 - 8x - 7; from 0 to 2
A. -2
B. - 
C. -28
D. 
Mathematics
Solve the problem.The population of a town was 35,200 at the beginning of 1970. If the population decreased 300 people per year, how many people lived in the town at the beginning of 1985?
A. 30,400 B. 4500 C. 30,700 D. 31,000
Mathematics
Evaluate the expression.(f ? g)(a) when f(x) = 6x + 7 and g(x) = 4x - 1.
A. 24a + 6 B. 24a + 13 C. 24a + 27 D. 24a + 1
Mathematics
Find all numbers for which the rational expression is not defined.
A. c = 4 B. None C. c = -4 D. c = 0
Mathematics