Solve the problem.The table shows the population of a certain city in various years. The population of the city f(x), in hundreds of thousands, can be modeled by f(x) = axb, where x represents the number of years since 1995. Estimate the population of the city in the year 2021. (You will first need to use regression to estimate the values of a and b).
A. 1,318,550
B. 1,365,641
C. 1,177,277
D. 1,240,963
Answer: D
Mathematics
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Determine whether the matrix is invertible.
A. Yes B. No
Mathematics
Determine the angle between u and v. Give the angle in degrees rounded to the nearest tenth of a degree.u = -i + 3j, v = 6i - 4j
A. 142.1° B. 52.1° C. 0.8° D. 78.5°
Mathematics
Find the sum and simplify the answer.
+ 
+ 
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operations and simplify. Assume all variables represent positive real numbers.
- 2
- 2
A. -19x
B. -4x
C. -19x
D. -4x
Mathematics