Use the rules for exponents to rewrite the expression and then evaluate the new expression. 3-2? 34
A. 
B. 6
C. -729
D. 9
Answer: D
Mathematics
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Solve the problem.The intensity L(x) of light x ft beneath the surface of a lake satisfies the differential equation 
. At what depth, to the nearest foot, is the intensity one tenth the intensity at the surface?
A. 29 ft B. 14 ft C. 19 ft D. 43 ft
Mathematics
Determine whether the polynomial function is cubic or quartic.
A. Cubic B. Quartic
Mathematics
Multiply. Express the product in lowest terms.
? 
A. 
B. 
C. 
D. 
Mathematics
Simplify.
+ 
A. 1
B. 
C. 
D. 
Mathematics