Solve the equation after making an appropriate substitution.x1/2 - 7x1/4 + 12 = 0
A. {9, 16}
B. {3, 4}
C. {-3, -4}
D. {81, 256}
Answer: D
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Solve the problem.A firm is considering a new product. The accounting department estimates that the total cost, C(x), of producing x units will be C(x) = 80x + 3460.The sales department estimates that the revenue, R(x), from selling x units will be R(x) = 90x,but that no more than 445 units can be sold at that price. Find and interpret (R - C)(445).
A. $79,110 profit, income exceeds cost It is worth it to develop product. B. $791 profit, income exceeds cost It is worth it to develop product. C. $990 profit, income exceeds cost It is worth it to develop product. D. -$990 loss, cost exceeds income It is not worth it to develop product.
Solve the problem.Given A = 
, find A3.
A. 
B. 
C. 
D. 
Find the domain of the function.f(x) = 
A. (-?, ?) B. (-?, 0) ? (0, ?) C. (-?, -5) ? (-5, ?) D. (-?, -5)
You are on a shopping trip. The store will round the amount you pay for each item to the nearest cent. Find the amount you will pay.35 mm film is 4 rolls for $15.43, so one roll is $3.8575. You pay:
A. $3.96 B. $3.858 C. $3.85 D. $3.86