Math 112 Final Exam Study Aid Worksheet With Answer Key Page 24
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39Math 112
Final Exam Study Aid
24 of 39
79. What is the degree and leading coefficient of
2
4
5
f (x) =
3x
+ 6x
4x
+ 7?
(A) degree is 2, leading coefficient is
3
(B) degree is 11, leading coefficient is
4
(C) degree is 5, leading coefficient is
4
(D) degree is 5, leading coefficient is 4
(E) None of these
4
3
2
80. For the graph of y =
3x
+ 37x
+ 28x
+ 42, which of the following is correct?
(A) y
as x
(B)
y
as x
y
as x
y
as x
(C) y
as x
(D) y
as x
y
as x
y
as x
81. Which of the following could be the equation of the polynomial P (x) graphed below?
2
2
3
(A) P (x) = (x
4)
(x + 3)
(x
1)
(B) P (x) = (x + 4)
(x
3)(x + 1)
2
3
2
(C) P (x) =
(x + 4)
(x
3)(x + 1)
(D) P (x) = (x
4)
(x + 3)(x + 1)
2
3
(E) P (x) =
(x
4)
(x + 3)(x
1)
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