Find dy for the given values of x and ?x.y = 
+ 3
; x = 1, ?x = 0.2
A. 0.05
B. 0.02
C. 0.15
D. 0.5
Answer: C
Mathematics
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Find the exact value. Do not use a calculator.csc 
A. 
B. 
C. 
D. 2
Mathematics
Multiply.-10x(11x - 9)
A. -20x2 B. -110x2 + 90x C. 11x2 + 90x D. -110x2 - 9x
Mathematics
Find the nth term an of the geometric sequence.6, 
, 
, 
, . . .
A. an = (6)
n-1
B. an = 
n-1
C. an = (6)
n-1
D. an = (6)
n
Mathematics
Rewrite as a single logarithm. Assume all variables represent positive real numbers.4 log (x + 3) - 9 log (x2 + 4) + 
log y
A. - 
log 
B. log 
C. log 
D. 12 log 
Mathematics