?Suppose the resident population P(in millions) of the United States can be modeled by , , where 

/> corresponds to 1800. Analytically find the minimum and maximum populations in the U.S. for .

?



A. ?The population is minimum at   and maximum at .
B. ??The population is minimum at   and maximum at .
C. ???The population is minimum at   and maximum at .
D. ??The population is minimum at  and maximum at .
E. ?The population is minimum at  and maximum at .

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Answer: D

Mathematics

Change the word statement to an equation. Use x as the variable.The product of twice a number and 11 is 176.

A. 22x = 176x B. 2x + 11 = 176 C. 22x = 176

Use the graph to determine the function's domain and range. Write the domain and range in interval notation.

A. domain: x = 1 range: y = -5 B. domain: (-?, ?) range: (-?, ?) C. domain: (-?, ?) range: y = -5 D. domain: x = 1 range: (-?, ?)

Use the horizontal line test to determine whether the function is one-to-one.

A. Yes B. No

Solve the problem.The charges for renting a moving van are $65 for the first 50 miles and $4 for each additional mile. Assume that a fraction of a mile is rounded up. (i) Determine the cost of driving the van 86 miles. (ii) Find a symbolic representation for a function f that computes the cost of driving the van x miles, where  (Hint: express f as a piecewise-constant function.)

A. $209;
f(x) = 
B. $209;
f(x) = 
C. $609;
f(x) = 
D. $5734;
f(x) =