Factor by grouping.x3 + 3x2 + 5x + 15
A. (x2 + 5)(x - 3)
B. (x3 + 5)(x + 3)
C. (x2 + 5)(x + 3)
D. (x2 + 5)(x + 3x)
Answer: C
Mathematics
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Write the domain and range of the function in interval notation.f(x) = 4x - 9
A. D: [9, ?); R: (-?, ?) B. D: (-?, ?); R: (-?, ?) C. D: [0, ?); R: (-?, ?) D. D: (-?, 0) ? (0, ?); R: (-?, ?)
Mathematics
Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
- 
A. 
B. 0
C. 
D. 
Mathematics
Solve by completing the square. If the equation has no real solutions, write "no real-number solutions."p2 + 5p - 5 = 0
A. no real-number solutions
B. 
C. 
D. -5 ± 3
Mathematics
Find the multiplicative inverse.14
A. - 
B. -14
C. 
D. 1
Mathematics