Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.100a2 + 55a - 15
A. 5(5a - 1)(4a + 3)
B. (5a - 1)(20a + 15)
C. (25a - 5)(4a + 3)
D. 5(5a + 1)(4a - 3)
Answer: A
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Solve for n in the following.n2 = 9
A. 
or - 
B. 
or - 
C. 3 or ?3
D. 81 or ?81
Find the domain of the rational function.h(x) = 
A. {x|x ? 0} B. all real numbers C. {x|x ? 2} D. {x|x ? -2}
A manufacturer wants to enlarge an existing manufacturing facility such that the total floor area is 1.5 times that of the current facility. The floor area of the current facility is rectangular and measures 290 feet by 80 feet. The manufacturer wants to increase each dimension by the same amount. ?
A. A(x) = (290 - x)(80 - x) = 34,800 ft2 B. A(x) = (290 - x)(80 + x) = 34,800 ft2 C. A(x) = (290 + x)(80 - x) = 34,800 ft2 D. A(x) = (290 + x)(80 + x) = 34,800 ft2 E. A(x) = (290 - x)(80 - x) = -34,800 ft2
Find the derivative of the function.y = 
A. 
= sec x tan x
B. 
= sec2x
C. 
= sec2x + 1
D. 
= -csc x cot x