assignment
1. Select the correct description of right-hand and left-hand behavior of the graph of the polynomial function.
ƒ(x) = 4x2 - 5x + 4
[removed] | Falls to the left, rises to the right. | |
[removed] | Falls to the left, falls to the right. | |
[removed] | Rises to the left, rises to the right. | |
[removed] | Rises to the left, falls to the right. | |
[removed] | Falls to the left. |
QUESTION 2
1. Describe the right-hand and the left-hand behavior of the graph of
t(x) = 4x5 - 7x3 - 13
[removed] | Because the degree is odd and the leading coefficient is positive, the graph falls to the left and rises to the right. | |
[removed] | Because the degree is odd and the leading coefficient is positive, the graph rises to the left and rises to the right. | |
[removed] | Because the degree is odd and the leading coefficient is positive, the graph falls to the left and falls to the right. | |
[removed] | Because the degree is odd and the leading coefficient is positive, the graph rises to the left and falls to the right. | |
[removed] | Because the degree is even and the leading coefficient is positive, the graph rises to the left and rises to the right. |
QUESTION 3
1. Select the correct description of right-hand and left-hand behavior of the graph of the polynomial function.
ƒ(x) = 3 - 5x + 3x2 - 5x3
[removed] | Falls to the left, rises to the right. | |
[removed] | Falls to the left, falls to the right. | |
[removed] | Rises to the left, rises to the right. | |
[removed] | Rises to the left, falls to the right. | |
[removed] | Falls to the left. |
QUESTION 4
1. Select from the following which is the polynomial function that has the given zeroes.
2,-6
[removed] | f(x) = x2 - 4x + 12 | |
[removed] | f(x) = x2 + 4x + 12 | |
[removed] | f(x) = -x2 -4x - 12 | |
[removed] | f(x) = -x2 + 4x - 12 | |
[removed] | f(x) = x2 + 4x - 12 |
QUESTION 5
1. Select from the following which is the polynomial function that has the given zeroes.
0,-2,-4
[removed] | f(x) = -x3 + 6x2 + 8x | |
[removed] | f(x) = x3 - 6x2 + 8x | |
[removed] | f(x) = x3 + 6x2 + 8x | |
[removed] | f(x) = x3 - 6x2 - 8x | |
[removed] | f(x) = x3 + 6x2 - 8x |
QUESTION 6
1. Sketch the graph of the function by finding the zeroes of the polynomial.
f(x) = 2x3 - 10x2 + 12x
[removed] | 0,2,3 | |
[removed] | 0,2,-3 | |
[removed] | 0,-2,3 | |
[removed] | 0,2,3 | |
[removed] | 0,-2,-3 |
QUESTION 7
1. Select the graph of the function and determine the zeroes of the polynomial.
f(x) = x2(x-6)
[removed] | 0,6,-6 | |
[removed] | 0,6 | |
[removed] | 0,-6 | |
[removed] | 0,6 | |
[removed] | 0,-6 |
QUESTION 8
1. Use the Remainder Theorem and Synthetic Division to find the function value.
g(x) = 3x6 + 3x4 - 3x2 + 6, g(0)
[removed] | 6 | |
[removed] | 3 | |
[removed] | -3 | |
[removed] | 8 | |
[removed] | 7 |
QUESTION 9
1. Use the Remainder Theorem and Synthetic Division to find the function value.
f(x) = 3x3 - 7x + 3, f(5)
[removed] | -343 | |
[removed] | 343 | |
[removed] | 345 | |
[removed] | 340 | |
[removed] | 344 |
QUESTION 10
1. Use the Remainder Theorem and Synthetic Division to find the function value.
h(x) = x3 - 4x2 - 9x + 7, h(4)
[removed] | -28 | |
[removed] | -27 | |
[removed] | -31 | |
[removed] | -25 | |
[removed] | -29 |
QUESTION 11
1. Use synthetic division to divide:
(3x3 - 24x2 + 45x - 54) ÷ (x-6)
[removed] | 6x2 - 3x - 9, x ≠ 6 | |
[removed] | 6x2 -3x - 9, x ≠ 6 | |
[removed] | 3x2 - 6x + 9, x ≠ 6 | |
[removed] | 3x2 - 6x - 9, x ≠ 6 | |
[removed] | 3x2 + 6x + 9, x ≠ 6 |
QUESTION 12
1. Use synthetic division to divide:
(x3 - 27x + 54) ÷ (x - 3)
[removed] | x2 + 3x - 18, x ≠ 3 | |
[removed] | x2 - 3x - 27, x ≠ 3 | |
[removed] | x2 + 9x + 18, x ≠ 3 | |
[removed] | x2 + 9x - 6, x ≠ 3 | |
[removed] | x2 + 6x + 9, x ≠ 3 |
QUESTION 13
1. Use synthetic division to divide:
(4x3 - 9x + 16x2 - 36) ÷ (x + 4)
[removed] | 4x2 - 9, x ≠ -4 | |
[removed] | 4x2 + 9, x ≠ -4 | |
[removed] | -4x2 - 9, x ≠ -4 | |
[removed] | 4x3 - 9, x ≠ -4 | |
[removed] | 4x3 + 9, x ≠ -4 |
QUESTION 14
1. Use synthetic division to divide:
[removed] | 5x2 + 45x + 25, x ≠ 1/5 | |
[removed] | 16x2 + 80x + 20, x ≠ 1/5 | |
[removed] | 100x2 + 45x + 400, x ≠ 1/5 | |
[removed] | 20x2 + 180x + 400, x ≠ 1/5 | |
[removed] | 4x2 + 21x + 20, x ≠ 1/5 |
QUESTION 15
1. Find all of the zeroes of the function.
(x - 3)(x + 9)3
[removed] | -3,9 | |
[removed] | 3,9 | |
[removed] | -3,-9 | |
[removed] | -3,3,9 | |
[removed] | 3,-9 |
QUESTION 16
1. Find all the rational zeroes of the function.
x3 - 12x2 + 41x - 42
[removed] | -2, -3, -7 | |
[removed] | 2, 3, 7 | |
[removed] | 2, -3, 7 | |
[removed] | -2, 3, 7 | |
[removed] | -2, 3, -7 |
QUESTION 17
1. Determine all real zeroes of f.
f(x) = x3 + x2 - 25x - 25
[removed] | -5,1,0 | |
[removed] | 5,0,-5 | |
[removed] | -5,-1,5 | |
[removed] | -5,0,0 | |
[removed] | 5,-1,0 |
QUESTION 18
1. The height, h(x), of a punted rugby ball is given by where x is the horizontal distance in feet from the point where the ball is punted. How far, horizontally, is the ball from the kicker when it is at its highest point?
[removed] | 28 feet | |
[removed] | 13 feet | |
[removed] | 18 feet | |
[removed] | 23 feet | |
[removed] | 16 feet |
QUESTION 19
1. The profit P (in hundreds of dollars) that a company makes depends on the amount x (in hundreds of dollars) the company spends on advertising according to the model.
P(x) = 230 + 40x - 0.5x2
What expenditure for advertising will yield a maximum profit?
[removed] | 40 | |
[removed] | 0.5 | |
[removed] | 230 | |
[removed] | 20 | |
[removed] | 115 |
QUESTION 20
1. The total revenue R earned per day (in dollars) from a pet-sitting service is given by
R(p) = -10p2 + 130p
where p is the price charged per pet (in dollars).
Find the price that will yield a maximum revenue.
[removed] | $7.5 | |
[removed] | $6.5 | |
[removed] | $8.5 | |
[removed] | $9.5 | |
[removed] | $10.5 |
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