Combine.10.1 + (-7.0) - 17.3
A. 34.4
B. 20.4
C. 14.2
D. -14.2
Answer: D
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Solve the problem.In 1880 the population of a midwest city was 19,000. By 1920 it had grown to 20,000. If it continues to grow at the same rate, what will the population be in 1939? Give your answer to the nearest whole number.
A. 20,475 B. 19,476 C. 21,000 D. 20,000
Use the table of values of f to estimate the limit.Let f(x) = 
, find 
f(x).
A. limit = 6 B. limit = 5.5 C. limit does not exist D. limit = 0
Simplify. Write answers without negative exponents. Assume that all variables represent nonzero real numbers.
-3
A. 
B. 
C. 
D. 
Provide a short answer.Consider the linear function f(x) = 5x + 20. What is the domain and range of this function? Now, suppose the function represents the relationship between studying time and grades on an exam. The variable x represents the number of hours spent studying and f(x) represents the grade on the exam. Does this change the domain and range? If so, what is the new domain and range and why is it different?
What will be an ideal response?