Provide an appropriate response.For the exponential function y = 4(1.4)x, answer the following.(a) Does the function represent exponential growth or decay?(b) Is the graph increasing or decreasing?
A. (a) exponential decay; (b) decreasing
B. (a) exponential decay; (b) increasing
C. (a) exponential growth; (b) increasing
D. (a) exponential growth; (b) decreasing
Answer: C
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Solve the problem.For the study described below, identify the sample.A researcher is interested in the level of stress among emergency-room nurses in the U.S. 275 emergency-room nurses were interviewed to determine their level of stress. Each nurse was assigned a stress rating based on his or her answers to a number of questions. The average stress rating for the 275 nurses was determined.
A. The 275 emergency-room nurses interviewed B. The average stress rating for the 275 emergency-room nurses interviewed C. All emergency-room nurses in the U.S. D. The questionnaire given to the 275 emergency-room nurses interviewed
Identify the equation as representing either a circle, a parabola, an ellipse, or a hyperbola.x2 + y2 + x + y = 0
A. Circle B. Parabola C. Hyperbola D. Ellipse
Find the product.58.5% of 2800
A. 1182 B. 1638 C. 1162 D. 1400
Solve the problem.The linear equation y = 82.67x + 1181 provides an approximation of the value (in dollars) of an account opened on January 1, 2010, in the amount of $1181 and earning 7% simple interest, where 
represents January 1, 2010, x = 1 represents January 1, 2011, x = 2 represents January 1, 2012, and so on. Write an equation that yields the same y-values when the exact year number is entered.
A. y = 82.67(2011 - x) + 1181 B. y = 82.67(2010 - x) + 1181 C. y = 82.67(x - 2010) + 1181 D. y = 82.67(x - 2011) + 1181