Write the first five terms of the arithmetic sequence.a1 = - 
; d = 1
A. - 
, - 
, - 2 , - 
, - 
B. - 
, 
, - 
, 
, - 
C. - 
, 
, 
, 
, 
D. - 
, - 
, - 
, - 
, - 
Answer: C
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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 system by using Gaussian elimination with backward substitution or by reducing the matrix to reduced-row echelon form.x+ 2y+ 2z= -21 2y+ 3z= -23? z= -5
A. No solution B. (-3, -4, -5) C. (-5, -4, -3) D. (-3, -5, -4)
For the given parabola, give the coordinates of the vertex, the axis, the domain, and the range.x = (y - 3)2
A. vertex: (0, 3); axis: y = 3; domain: [0, ?); range: (-?, ?) B. vertex: (0, -3); axis: y = -3; domain: [0, ?); range: (-?, ?) C. vertex: (3, 0); axis: x = 3; domain: (-?, ?); range: (-?, 0] D. vertex: (0, 3); axis: x = 3; domain: (-?, ?); range: [0, ?)
Solve.Taylor wanted to determine the gas mileage she was getting on her car. She filled the gas tank on her car when the odometer read 32,437 miles. After 7 days the odometer read 32,661 miles and it took 8 gallons of gas to fill the tank. How many miles to the gallon did Taylor's car achieve?
A. 28 miles per gallon B. 224 miles per gallon C. 32 miles per gallon D. 219 miles per gallon