State the degree and leading coefficient of the polynomial function.f(x) = -8 + 10x4 + 13x - 3x3 - 7x2
A. Degree: 3; leading coefficient: -3
B. Degree: 4; leading coefficient: 10
C. Degree: 4; leading coefficient: -8
D. Degree: -8; leading coefficient: 10
Answer: B
Mathematics
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Find the real or imaginary solutions by using the quadratic formula.x2 = 3 - 4x
A. {-2 ± i
}
B. {-1 ± 
}
C. {2 + 
}
D. {-2 ± 
}
Mathematics
Find the exact value of the expression.sin(-300°)
A. 
B. -1
C. 
D. 
Mathematics
Solve the problem.An experienced accountant can prepare a certain complexity of tax return in 9 hr. A novice accountant can do the job in 16 hr. How long will it take them to do the job working together?
A. 20
hr
B. 
hr
C. 5
hr
D. 
hr
Mathematics
Factor completely, or state that the polynomial is prime.x3 - x2 - 20x
A. x(x + 4)(x - 5) B. (x2 + 1)(x - 20) C. x(x + 5)(x - 4) D. prime
Mathematics