Multiply.(3x3 + 7)(3x3 - 7)
A. 9x2 + 42x - 49
B. 9x6 - 42x - 49
C. 9x6 - 49
D. 9x3 - 49
Answer: C
Mathematics
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Use a calculator and the change-of-base formula to find the logarithm to four decimal places.log5 30.99
A. 1.4912 B. 6.1980 C. 0.4687 D. 2.1335
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Find the requested composition of functions.Given f(x) = 6x + 12 and g(x) = 2x - 1, find (f ? g)(x).
A. 12x + 23 B. 12x + 6 C. 12x + 18 D. 12x + 11
Mathematics
Find two functions defined implicitly by the given relation.x2 - y2 = 16
A. y = x - 
or y = x + 
B. y = 
or y = 
C. y = + 
or y = - 
D. y = + (x - 
) or y = - (x - 
)
Mathematics
Use matrix inversion to solve the system of linear equations.
?
?
A. 
,
,
B. 
,
,
C. 
,
,
D. 
, 
, 
E. 
,
,
Mathematics