Find the LCM of the expressions.4a, 16a2
A. 4a2
B. 4a3
C. 16a2
D. 6a3
Answer: C
Mathematics
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Find the numerical value of the expression for 
and 
A. a) 
b) 
B. a) 
b) 
C. a) 
b) 
D. a) 
b) 
Mathematics
The function f is one-to-one. Find its inverse.f(x) = (x + 4)3
A. f-1(x) = 
- 64
B. f-1(x) = 
+ 4
C. f-1(x) = 
- 4
D. f-1(x) = 
- 4
Mathematics
Express as a product.logcZ-8
A. clog8Z B. -clog-8Z C. -8logcZ D. -8logc(-Z)
Mathematics
Solve by the quadratic formula. If there are no real roots, say so.
= 
+ 
A. z = 
B. No real solution
C. z = -1, z = 
D. z = 
Mathematics