College Algebra problems. Must show all work

College Algebra problems. Must show all work

Please show ALL work

1.Show the graph of the quadratic function f(x) = x2-4 . Identify the vertex and axis of symmetry.

2. Show the graph of the quadratic function f(x) = x2+3 . Identify the vertex and axis of symmetry.

3. Show the graph of the quadratic function f(x) = (x+4)2+1 . Identify the vertex and axis of symmetry.

4. Give the vertex of the graph of the quadratic functionf(x)= x2+x + 5/4

5. Determine whether the statement is true or false.
The function given by f(x) = -17x2 -6 has no[img width=”17″ height=”29″ src=”file:///C:/Users/Jenica/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png” alt=”mc005-2.jpg” v_shapes=”Rectangle 5″>-intercepts.

6. Determine thex-intercept(s) of the quadratic function f(x)= x+ 4x-32

8. Perform the operation and write the result in standard form.

  8z – [ 3z – (7z+5) ]

9. Perform the following operation.
  Multiply (3x +7) and (x-9)

10. Perform the operation and write the result in standard form.

  (9 – 3.5y) {8y3}  ( to the third power)

11. Completely factor the expression. (t -1) 2 -9

12. Factor the trinomial by grouping. 15x2  – 16x +1

13. Factor the trinomial by grouping. t2  -3t-28

14. Determine whether the value of x= -3 is a solution of the equation.

  11-5x =5x -10

15. Solve the equation and check your solution.

  5y + 1 = 6y -5+ 8y

16. Determine whether the equation -6(x-1) = -6x + 12is an identity or a conditional equation. If conditional, indicate the condition.

17. Write the following quadratic equation in standard form.

  -8x2 =3+x

18. Solve the quadratic equation by factoring.

  X2  + 4x =32

19. Solve the equation6+y/y + 5+y/y = -7

20. Find the slope-intercept form of the equation of the line passing through the points. Sketch the line. (6,4), (-6,6)

22. Evaluate the function f(x)= 6x-5 at f(1)

25. Find the domain of the function. h(t) = 3/t

27. Find (f-g)(x)

 f(x)= x +6,  g(x) = x -6

28. Find (fg)(x)

   f(x) = x2 , g(x)= 7x-6

29. Evaluate the indicated function for f(x) = X2  + 3,and  g(x)= x-6 

  (f-g)(4t)

30. Findgof and the domain of composite function

  f(x)= |x|, g(x) =x+1