Find the domain of 
.
A. all real numbers except x = -7
B. all real numbers except x = 49
C. all real numbers except x = 7
D. all real numbers except x = 7 and x = -7
E. all real numbers
Answer: D
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The rate of growth G, in pounds per year, of a certain animal depends on the weight w, in pounds, of the animal. The relationship is
.
A: Make a graph of G versus w. Include weights up to 40 pounds.B: At what weight is the animal growing at the fastest rate? Round your answer to two decimal places, if necessary.C: What is the maximum growth rate? Round your answer to two decimal places, if necessary.
What will be an ideal response?
Solve the problem.A coffee can comes packed with enough ground coffee to make 87 cups of coffee. After 58 cups have been made, how many cups of coffee can be made with the remaining ground coffee?
A. 19 cups B. 29 cups C. 135 cups D. 145 cups
Provide an appropriate response.Find f-1. Graph f and its inverse f-1 on one coordinate plane. Graph y = x as a dashed line for reference.f(x) = -2x + 3
A. f-1(x) = -2x - 3
B. f-1(x) = - 
x + 
C. f-1(x) = 2x - 3
D. f-1(x) = 
x - 
The educational attainment of a country’s population age 25 years or older in 2007 is shown in the circle graph. Use the fact that the population of people 25 years or older was approximately 8.1 million in 2007 and let , , and . Find the probability that a person 25 years or older selected at random has earned an associate’s degree or higher.
a. 0.357
b. 0.457
c. 0.757
d. 0.657