Tell whether the expression is a polynomial. If it is, give its degree.-9y7 - 
A. Polynomial; degree -9
B. Polynomial; degree 3
C. Polynomial; degree 4
D. Not a polynomial
Answer: C
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Find the domain of x in the expression.
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A. 
B. 
C. 
D. 
E. 
Factor the polynomial f(x). Then solve the equation f(x) = 0.f(x) = x3 + 2x2 - 15x - 36
A. (x + 3)(x + 3)(x - 6) ; -3, -3, 6 B. (x - 3)(x - 3)(x + 4) ; -3, -3, 4 C. (x + 3)(x + 3)(x - 4) ; 3, 3, -4 D. (x + 3)(x + 3)(x - 4) ; -3, -3, 4
Provide an appropriate response.Let an= a1+ (n - 1)d1and bn= b1+ (n - 1)d2be arithmetic sequences. Given that 
is also an arithmetic sequence, find c1.
A. a1+ b1+ r(d1+ d2) B. a1+ b1 C. a1+ b1+ d1+ d2 D. a1+ r?b1
Change the given quantity to the indicated unit. Round the answer to the nearest tenth of the unit if necessary.6 km ? mi
A. 6.4 mi B. 5.7 mi C. 9.7 mi D. 3.8 mi