Find an equation of variation for the given situation.y varies inversely as the square of x, and y = 9 when x = 7
A. y = 
B. y = 
C. y = 63x2
D. y = 63x
Answer: B
You might also like to view...
Construct a stem and leaf display for given data.The ages of the instructors at a local college are given below.
A. 
B. 
C. 
D. 
Add.-8 + 3
A. -5 B. -11 C. 5 D. 11
Solve the problem.If a person puts 1 cent in a piggy bank on the first day, 2 cents on the second day, 3 cents on the third day, and so on, how much money will be in the bank after 30 days?
A. $4.65 B. $9.30 C. $2.33 D. $0.30
Solve the problem.The population of a particular country was 24 million in 1982; in 1992, it was 28 million. The exponential growth function 
describes the population of this country t years after 1982. Use the fact that 10 years after 1982 the population increased by 4 million to find k to three decimal places.
A. 0.025 B. 0.651 C. 0.139 D. 0.015