Decide whether the function is an exponential growth or exponential decay function and find the constant percentage rate of growth or decay.f(x) = 2479 ? 0.9948x
A. Exponential decay function; -0.52%
B. Exponential decay function; 0.0052%
C. Exponential growth function; 0.0052%
D. Exponential growth function; -0.52%
Answer: A
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Use inequality notation and interval notation to describe the set. ? The annual rate of inflation r is expected to be at least 4% but no more than 9%. ?
A. Inequality : 4% ? r ? 9%Interval : [4, 9] B. Inequality : 4% < r ? 9%Interval : [4, 9] C. Inequality : 4% < r < 9%Interval : [4, 9] D. Inequality : 4% ? r < 9%Interval : [4, 9] E. Inequality : 4% > r > 9%Interval : [4, 9]
Sketch a graph of the function.f(x) = 
A. 
B. 
C. 
D. 
Write the fraction or mixed number as a decimal. Round to the nearest thousandth if necessary.
A. 0.051 B. 0.511 C. 5.11 D. 1.958
The unit selling price p (in dollars) and the quantity demanded (in pairs) of a certain brand of women's gloves is given by the demand equation 
.
?
What is the marginal revenue to the nearest cent per day when x = 100?
?
A. The marginal revenue when x = 100 is $135.55 per day. B. The marginal revenue when x = 100 is $141.41 per day. C. The marginal revenue when x = 100 is $149.82 per day. D. The marginal revenue when x = 100 is $0.90 per day.