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? (-55? (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