Find all values that make the expression undefined.
A. 0
B. -2, -8
C. 2, -8
D. 2, -2
Answer: B
Mathematics
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Find the inverse of the function.f(x) = 
A. f-1(x) = 
+ 8, x ? 0
B. f-1(x) = 
C. f-1(x) = 
2, x ? 0
D. f-1(x) = 
, x ? 0
Mathematics
Solve the problem.A = ?r2, where r is the radius, in centimeters. By approximately how much does the area of a circle decrease when the radius is decreased from 5.0 cm to 4.8 cm? (Use 3.14 for ?.)
A. 6.5 cm2 B. 3.1 cm2 C. 6.1 cm2 D. 6.3 cm2
Mathematics
Translate to a proportion.145% of what number is 43?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Perform the indicated operation. 
- 
A. 
B. - 
C. - 
D. 
Mathematics