Use the product rule to multiply. Assume all variables represent positive real numbers.
? 
A. 42
B. 98
C. 21
D. 21
Answer: A
Mathematics
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Find the specified domain.For f(x) = x2 - 25 and g(x) = 2x + 3, what is the domain of g/f?
A. 
? 
B. (-?, -5) ? (-5, 5) ? (5, ?)
C. (-?, ?)
D. 
Mathematics
Rationalize the denominator.
A. 
B. 133
C. 
D. 12
Mathematics
Tell whether the expression is a polynomial. If it is, give its degree.
A. Polynomial; degree 11 B. Polynomial; degree 7 C. Polynomial; degree 0 D. Not a polynomial
Mathematics
Factor the polynomial.x2 + 36
A. (x - 6)2 B. (x + 6)(x - 6) C. (x + 6)2 D. prime
Mathematics