Work the chain multiplication.0 × 3 × 4
A. 0
B. 7
C. 18
D. 12
Answer: A
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Write interval notation.{x ? x ? 30.1}
A. [30.1, ?) B. (30.1, ?) C. (-?, 30.1] D. (-?, 30.1)
Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse with vertices (±6, 0) and foci at (±5, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Find all rational zeros and factor f(x).f(x) = 10x3 + 33x2 + 8x - 3
A. - 
, 1, -3; f(x) = (10x + 1)(x - 1)(x + 3)
B. - 2, 5, -3; f(x) = (2x + 1)(5x - 1)(x + 3)
C. - 2, 5, -3; f(x) = (x + 2)(x - 5)(x + 3)
D. - 
, 
, -3; f(x) = (2x + 1)(5x - 1)(x + 3)
Solve the problem.Assume that the annual sales of a small manufacturer can be modeled by a linear function and that sales were $11,500 in 1982 and $80,000 in 1987. Let x = 0 represent 1982 and f(x) represent annual sales, and write a formula for f(x).
A. f(x) = 68,500x + 11,500 B. f(x) = 13,700x + 80,000 C. f(x) = 13,700x + 11,500 D. f(x) = 68,500x + 80,000