14. fx)= (4x - 11x+2)(7x - 2x)+(4x +9 x)(4x -9x+1) (b) 13 (c) 14 (d) 15 (e) 16 (a) 7 (b) 8 (c) 9 (d) 10 (e) 11 15. Determine which of the following polynomials has at least one real zero

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#14

(b) +4x +9x-16x-52
(d) x +4x +17 +16x+52
(c) -4x +9 +16x-52
In problems #11-14, determine how many (at most) zeros the following polynomials can
have.
11. f(x)= (4x -7x +2)-(9x +3x-7x)
(a) 1
(b) 2
12. f(x) = (-2x -4x+1)(5x -7x +2x-1)
(c) 3
(d) 4
(e) 5
(a) 1
(b) 2
13. f(x) = (5x -7x)(2x -2x+1)(8 x + x)
(c) 3
(d) 4
(e) 5
(a) 12
(b) 13
(с) 14
(d) 15
(e) 16
14. fAx) = (4x – 11x+2)(7x – 2 x) + (4x¢ +9x(4x° – 9x+ 1)
(a) 7
(b) 8
(c) 9
(d) 10
(e) 11
15. Determine which of the following polynomials has at least one real zero.
f(x) = -7x +9x +4x -1
g(x) = 4 x +9x -7x +4x -7x +3x
hx) = 9x + 4x - 7x +2x- 5
k( x) = x - 4 x +7x* +14
(b) f(x), k( x)
fememe
(a) all
(c) f(x), g(x), k( x) (d) g(x), h(x) (e) none of the given polynomials
16. Sketch the graph of f( x) = (x-1)(x+1)°(x-3).
(a)
(b)
P Type here to search
日 O
78°F Partly cloudy
Transcribed Image Text:(b) +4x +9x-16x-52 (d) x +4x +17 +16x+52 (c) -4x +9 +16x-52 In problems #11-14, determine how many (at most) zeros the following polynomials can have. 11. f(x)= (4x -7x +2)-(9x +3x-7x) (a) 1 (b) 2 12. f(x) = (-2x -4x+1)(5x -7x +2x-1) (c) 3 (d) 4 (e) 5 (a) 1 (b) 2 13. f(x) = (5x -7x)(2x -2x+1)(8 x + x) (c) 3 (d) 4 (e) 5 (a) 12 (b) 13 (с) 14 (d) 15 (e) 16 14. fAx) = (4x – 11x+2)(7x – 2 x) + (4x¢ +9x(4x° – 9x+ 1) (a) 7 (b) 8 (c) 9 (d) 10 (e) 11 15. Determine which of the following polynomials has at least one real zero. f(x) = -7x +9x +4x -1 g(x) = 4 x +9x -7x +4x -7x +3x hx) = 9x + 4x - 7x +2x- 5 k( x) = x - 4 x +7x* +14 (b) f(x), k( x) fememe (a) all (c) f(x), g(x), k( x) (d) g(x), h(x) (e) none of the given polynomials 16. Sketch the graph of f( x) = (x-1)(x+1)°(x-3). (a) (b) P Type here to search 日 O 78°F Partly cloudy
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