Find the second derivative.y = 
+ 
A. 
+ 
B. - 
+ 
C. 
- 
D. - 
- 
Answer: A
Mathematics
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Find a formula for the inverse of the function described below.A size 6 dress in Country C is size 52 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = 
B. f-1(x) = 
+ 20
C. f-1(x) = x - 20
D. f-1(x) = 
- 20
Mathematics
Find the perimeter or circumference. Use ? ? 3.14 when needed.
A. 38 yd B. 57 yd C. 56 yd D. 180.5 yd
Mathematics
Find all rational zeros of f. Then (if necessary) use the depressed equation to find all roots of the equation f(x) = 0.f(x) = x3 - 5x2 + 4x + 6
A. {3, -1 - 
, -1 + 
}
B. {-3, 1 - 
, 1 + 
}
C. {-3, -1 - 
, -1 + 
}
D. {3, 1 - 
, 1 + 
}
Mathematics
Write the expression in standard form.4.47 × 104
A. 178.8 B. 447,000 C. 4470 D. 44,700
Mathematics