Simplify the algebraic expression.6.4a + 6.4b - 1.7a - 2.4b
A. 8.1a + 8.8b
B. 4.7a + 8.8b
C. -4.7a + 4.0b
D. 4.7a + 4.0b
Answer: D
Mathematics
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Express the given function as a composite of functions f and g such that y = f(g(x)).y = 
A. f(x) = 
, g(x) = 5x + 4
B. f(x) = 
, g(x) = 6
C. f(x) = 
, g(x) = 5x + 4
D. f(x) = 6, g(x) = 
Mathematics
Perform the following operation.
?
Multiply 
and 
.
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Provide an appropriate response.In a profit-loss analysis, point where revenue equals cost.
A. profit-loss point B. break-even point C. inflection point D. turning point
Mathematics
The following expressions represent denominators of rational expressions. Find their LCD.n, 5 + n, and 5 - n
A. n(5 + n)(5 - n) B. n2 + 25 C. 25n2 D. 25 - n2
Mathematics