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The graph of the equation is shown below.
What is y = (x + 2 1) ?
The equation of the parabola with this vertex is f(x) = (x + 8)2 - 4
The function for this graph is f(x) = (x – 2 5) – 1.
What is
This quadratic equation has a maximum point at (3, -4).
What is f(x) = (x – 2 3) – 4?
The cost in millions of dollars for a company to manufacture x thousand automobiles is given by the function C(x) = 3 x 2 – 18 x + 63. Find the number of automobiles that must be produced to minimize the cost.
3 thousand automobiles
Determine if the following is a polynomial function. If so, give the degree. f(x) = x 2 – 3 x 7
Use the leading coefficient test to determine the end behavior f(x) = 6 x 3 + 3 x 2 – 3 x - 1
Up to the right, Down to the left.
Find the zeros and their multiplicities of the function. F(x) = 4(x + 5)(x – 1)2
-1, multiplicity 1 1, multiplicity 2
Graph the function. F(x) = x 2(x – 3)(x – 2)
Use synthetic division to divide. 3 x 2 + 29 x + 56 x+7
3 x + 8
Divide using synthetic division.
4 x + 3 2 x R. 45 + 2 5 x + 10 x + 20.
Find f(-3) given f(x) = 4 x 3 – 6 x 2 – 5 x + 6
Solve the equation 3 x 3 – 28 x 2 + 51 x – 14 = 0 given that 2 is one solution.
2, 7, 1/3
Use synthetic division to find all zeros of f(x) = 3 x – 2 3 x – 18 x + 40.
Use the rational zeros theorem to list all possible rational zeros of f(x) = x 5 – 3 x 2 + 6 x + 14
Use the rational zeros theorem to list all possible rational zeros of f(x) = 3 3 x – 2 17 x + 18 x + 8 and then use this root to find all zeros of the function.
-1/3, 2, 4
Use Descartes’ Rule of Signs to determine the possible number of positive real zeros and negative real 6 zeros for f(x) = x – 8.
1 positive real zero 1 negative real zero
Give all the roots of f(x) = 3 x + 2 5 x + 12 x – 18
Use the graphing calculator to determine the zeros of f(x) = 3 x – 2 6 x –x+6 1, 3, 4, or 5
1, -1, 6
Use the Upper Bound Theorem to determine which of the following is a good upper bound for f(x) = 4 x + 3 x – 1, 3, 4, or 5 2 7 x – 5 x + 10
Find all roots of the equation. Hint: -2 i is one root. 4 x – 2 21 x – 100 = 0
Write the polynomial function as a product of linear factors. f(x) = 4 x – 2 3 x – 4
Factor completely. f(x) = 3 x + 2 4 x –x-4
Give an equation for the polynomial function that has zeros of 2, -2, and 3 and has a degree of 3.
f(x)= (x – 2)(x + 2)(x – 3) Other answers are possible.
Solve the inequality and give your solution in interval notation. (x – 3)(x + 2) > 0
Solve the inequality and give your solution in interval notation. x 2 + 3 x – 18 > 0
Solve the inequality and give your solution in interval notation. x 2 – 2 x – 24 < 0
Solve the inequality and give your solution in interval notation. x 2 – 3 x – 10 < 0
Solve the inequality and give your solution in interval notation. x 2 + 6 x < – 8
-10 < x < 10 -10 < y < 60