Evaluate the expression.-5(-4)3
A. 320
B. -8,000
C. 8,000
D. -320
Answer: A
Mathematics
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Answer the question.A drawer contains 8 red, 6 blue, 4 green, and 10 brown socks. If the room is dark, how many socks must be taken from the drawer to be sure that at least two socks are of the same color?
A. 7 socks B. 5 socks C. 4 socks D. 8 socks
Mathematics
Given f(x) and g(x), find all values of x for which f(x) = g(x).f(x) = x2 and g(x) = 5 - 8x
A. -4 + 1
, -4 - 1
B. 4 + 
C. -4 + 
, -4 - 
D. -1 + 
, -1 - 
Mathematics
Use implicit differentiation to find dy/dx and d2y/dx2.2y - x + xy = 2
A. 
= 
; 
= 
B. 
= - 
; 
= 
C. 
= 
; 
= 
D. 
= - 
; 
= 
Mathematics
Rationalize the denominator and simplify. Assume that variables represent positive values.
A. 
B. 
C. 
- 
D. 
Mathematics