Using the restrictions stated for the function, find a rule for f-1.f(x) = x4 , x ? 0
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = -
D. f-1(x) = 
Answer: A
Mathematics
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Determine whether matrix B is the inverse of matrix A by finding the product AB.A = 
, B = 
A. B ? A-1 B. B = A-1
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Solve the quadratic equation by any method.-14x = x2 + 21
A. 2
± 7
B. -7 ± 2
C. -7 ± 2
D. ±2
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Find the one-sided limit.
sin x
A. 
B. 0
C. 1
D. 
Mathematics
Find the integral by using integration by parts or other techniques. Round the answer to four decimal places if necessary. 
A. 
+ 7 ln (x + 
) + C
B. x
- ln (x + 
) + C
C. 
- 7 ln (x + 
) + C
D. 
- 7 ln (x + 
) + C
Mathematics