Factor completely. If unfactorable, indicate that the polynomial is prime.r2 + 2r + 1
A. (r - 1)2
B. (r + 1)2
C. (r - 1)(r + 1)
D. (r + 2)(r - 2)
Answer: B
Mathematics
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Find only the rational zeros.f(x) = x5 - 5x4 + 5x3 + 15x2 - 36x + 20
A. 1, 2, 3 B. -1, 2, -2 C. 1, 2, -2 D. No rational zeros
Mathematics
Graph the exponential function and state the domain and range.y = 
x
A. Domain: (-?, ?), Range: (-?, 0)
B. Domain: (-?, ?), Range: (0, ?) 
C. Domain: (-?, 0), Range: (-?, 0)
D. Domain: (0, ?), Range: (0, ?)
Mathematics
Provide an appropriate response.If the orders of the matrices Q, R, and S are 4 × 5, 3 × 2, and 5 × 3, respectively, then the order of QRS is
A. 3 × 3. B. 2 × 4. C. 4 × 5. D. 3 × 5. E. none of the above
Mathematics
Graph the system of inequalities. Shade the region that represents the solution set.y? - x2 + 8x - y< 1
A. 
B. 
C. 
D. 
Mathematics