For the given pair of variables determine whether a is a function of b, b is a function of a, both, or neither.a is the number of years of formal education of an adult living in the United States, and b is his or her age in years.
A. Both
B. Neither
C. a is a function of b
D. b is a function of a
Answer: B
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What part of the object or set of objects is shaded?
A. 
B. 
C. 
D. 
Solve the problem.The following data represents the temperature T (°Fahrenheit) in a certain city x hours after midnight over the course of one day.
a) Find the average rate of change in temperature from 6 AM to 12 noon. Round to two decimal places.b) Find the average rate of change in temperature from 6 PM to 9 PM. Round to two decimal places.c) Decide on a function of best fit to these data (linear, quadratic, or cubic) and use this function to predict the temperature at 4 PM. Round to one decimal place.
What will be an ideal response?
Use an analytic method to solve the equation.
= 
A. 
B. {7}
C. {-5}
D. {-7}
Decide whether an expression or an equation is given.5 + (4x + 5)
A. equation B. expression