Evaluate the function at the indicated value.Find f(1) when f(x) = x2 + 4x - 6.
A. 3
B. -9
C. 11
D. -1
Answer: D
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Find an expression for the nth term of the arithmetic sequence.
, 
, 
, 
, 
, . . .
A. an = 
B. an = 
C. an = 
D. an = 
State the domain and range of the one-to-one functions f and f-1.f(x) = 
A. f(x): domain (-?, ?), range (-?, ?);
f-1(x): domain (-?, ?), range (-?, ?)
B. f(x): domain (-?, ?), range 
? 
;
f-1(x): domain 
? 
, range (-?, ?)
C. f(x): domain (-?, -2) ? (-2, ?), range (-?, 0) ? (0, ?);
f-1(x): domain (-?, 0) ? (0, ?), range (-?, -2) ? (-2, ?)
D. f(x): domain 
? 
, range (-?, -2) ? (-2, ?);
f-1(x): domain (-?, -2) ? (-2, ?), domain 
? 
Solve the problem.An investment is worth $3000, and its value is increasing by 9% every year. What will its value be at the end of 8 years? Round your answer to the nearest dollar.
A. $6516 B. $5484 C. $5978 D. $5160
Provide an appropriate response.A manufacturer produces two products, A and B. For each unit of A sold the profit is $8. For each unit of B sold the profit is $11. From past experience it has been found that 25 percent more of A can be sold than of B. Next year the manufacturer desires a total profit of $42,000. How many units of each product must be sold?
What will be an ideal response?