The initial value of one function is 31. It has a constant percentage growth rate of 9%. The initial value of a second function is 113. It has a constant percentage decay rate of 10%. If t is the independent variable for both functions, for what value of t are the two functions equal? Round your answer to two decimal places if necessary.
?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve.A line from the top of a cliff to the ground passes just over the top of a pole 5.0 ft high and meets the ground at a point 8.0 ft from the base of the pole. If the point is 86 ft from the base of the cliff, how high is the cliff? Round to the nearest unit.
A. 54 ft B. 5 ft C. 3440 ft D. 430 ft
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Graph the function.f(x) = 2x + 1
A. 
B. 
C. 
D. 
Mathematics
Translate to a proportion and solve. What is 4
% of 
Round to the nearest whole number.
A. 226,000 B. 2,260,000 C. 3917 D. 39,170
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Solve. First combine any like terms on each side of the equation.8y - y = -21
A. -8 B. -3 C. 3 D. 8
Mathematics