Exercises 15-20: Identify the vertex and leading coeffi- cient. Then write the expression as f(x) = ax² + bx + c. 15. f(x) = -3(x = 1)² + 2 16. f(x) = 5(x + 2)² – 5 17. f(x) = 5 – 2(x – 4)² 18. f(x) = (x + 3)² – 5 19. f(x) = (x + 5)² - } 20. f(x) = -5(x – 4)²

Q: Domain of:  Csc(x)+2

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Q: 2x2 – 8 x² – 16 Ax) =

A: We have to draw the graph

Q: Зх-2 p) Find the domain of the function f(x) 3D 5x2+4x-1

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Q: JA X2 X3 x5 (a) Solve this system for x₁, i = 1, 2, ..., 5. (If the system has an infinite number of…

A: Given the figure shows the flow of traffic(in vehicles per hour) through a network of sheets.…

Q: f(x) = 3x² + 10x – 11 %3D

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Q: f(x) = x² + 7x –- 30

A:

Q: F(x)=7x+2 a. F(-7) b. F(x+4) c. F(-x)

A: F(x)=7x+2 a. F(-7) b. F(x+4) c. F(-x)

Q: Let g(x) =-4x+5, Find g(3), g(0),g(-2) and g(b)

A: Given: The function gx=-4x+5, To find: The values of g3, g0, g-2 and gb.

Q: 1 a zero of f(x) = 4x – 5x² – 3x + 1? Explain. Is 3

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Q: Let f(x) = - 2x +7 and g(x) = x - 2. Find g(2) - f(2). g(2) – f(2) =

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Q: Find (fo g)(-2) when f(x) = - 4x -4 and g(x) = 9x +3x- 2.

A: Here, the given functions are: f(x)=-4x-4,g(x)=9x2+3x-2

Q: Write the zeros of the function: y = (x2+2x-6)(x3+2x2-24x)   *there should be 5*

A: Formula:

Q: Determine the end behavior of the following function as x → –: 6x2 – 7x – 9 - t(x) - 3x4 – 2x3 |

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Q: Explain why f(x) = 5x + 7x + x + 9 has no real zeros.

A: Consider the given: Descartes' Rules of Signs:Let fx be a polynomial with real coefficients and a…

Q: Find domain of y = x2-7x+10 x2-3x-5

A: Given, y = x2-7x+10x2-3x-5  We have to find the domain of  y = x2-7x+10x2-3x-5

Q: 8. Find (f+g)(x). f(x) = 5x² – 9x + 8 g(x) = &r2-7x + 2 A) (f+g)(x)= 13x - 16x + 10 B) (f+g)(x)=-3x…

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Q: Let f(x) = 3x 2 + 5x − 1. Find the expression for f(2a). Simplify.

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Q: When f(x) : 8x2 + 2x + 3, evaluate f( – 3) f( – 3) =

A: Solution-      Given function f(x) = 8x2+2x+3 Put x= -3 f(-3)= 8× (-3)2+2×(-3)+3 We know (-3)2=9

Q: Determine the end behavior of the function fx) = -9x+3x +2x

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Q: Use the zeros to graph the function y=(x+1)(x-5)(x-4)

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Q: 1 Let f(x) 6 and g(x) + 5. - x – 5 Find the following functions. Simplify your answers. Enter DNE if…

A:

Q: Let f(x) = - 18x + 1 and g(x) = x² + 18. Find f(10) – g(10). f(10) – g(10) =

A: Given: f(x) = -18x+1 g(x) = x2 +18 Find f(10)-g(10)