Find the zeros of the polynomial function.f(x) = x3 + x2 - 42x
A. x = 0, x = 5, x = 6
B. x = - 7, x = 6
C. x = 0, x = - 7, x = 6
D. x = 5, x = 6
Answer: C
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Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.x2 - 8x = 15
A. {4 ± 
}
B. {8 ± 
}
C. {4 ± 
}
D. {-4 ± 
}
Write the word statement as an equation. Use x to represent the unknown number. Do not solve.Four times the sum of a number and 31 decreased by 9 is the same as the difference of six times the number and 15.
A. (4x + 31) - 9 = 6x - 15 B. (4x + 31) - 9 = 15 - 6x C. 4(x + 31) - 9 = 6(x - 15) D. 4(x + 31) - 9 = 6x - 15
Use transformations to graph the function and state the domain and range.y = 
- 2
A. D = (-?, ?), R = [- 2, ?)
B. D = (-?, ?), R = [- 2, ?)
C. D = (-?, ?), R = [0, ?)
D. D = (-?, ?), R = (-?, ?)
Find the least common multiple.x2 - 25, x - 5
A. (x + 5)(x - 5)2 B. x3 + 125 C. x2 - 25 D. (x - 5)(x2 - 25)