1. Evaluate the algebraic expression for the given value

x^2-2x+5, for x=7

2. Simplify the given algebraic expression

9(2y-7)-(9y+2)

3. Find the x- and y- intercepts if any of the graph equation

x/6 + y/3=1

x-intercept_______ y-intercept_______

4. Sketch the graph y=x^2-1, and state it's x-intercept and y-intercept.

5. Write the standard form of the equation of the circle with the given center and radius.

Center (-3,4),radius=2

6. Give the center and radius of the circle described by the equation, and graph the equation. Use the graph to determine the domain and range of the circle.

(x+1)^2+(y-4)^2=16

7. Find the slope of the line passing through the points given below, or state the slope is undefined. Then indicate whether the line through the points rises, falls, is horizontal, or is vertical.

(6,4) and (7,6)

8. Write the point-slope form of the equation of the line passing through the point (4,6) and having a slope of 4.

9. Use the point-slope form of the equation in 8 to write the slope-intercept form of the equation of the line.

10. Write the point-slope of the equation of the line passing through the points (-12, 0) and (0, 12)

11. Write the slope form of the equation of the line passing through the points (-12, 0) and (0, 12)

12. Write the equation of the line passing through the point (-4, -6) and parallel to the line whose equation is y=-5x+4

13. Write the equation of the line passing through the point (-4, -6) and parallel to the line whose equation is y=-5x+4

Evaluate the function f(x)=x^2+5x+1 at the given values of the independent variable and simplify

14. f (-1)

15. f (x+5)

16. f ( -x)

Let. f(x)=x^2-x-1 and g(x)=5x+2

17. Evaluate: f(g(1))

18. Evaluate: g(f(1))

19. Graph the function f(x)=(x-4)

20. Graph the function g(x)=(x-4)

21. Graph the function h(x)=-x

22. Graph the piecewise function{2x+3,x<0 {4x+6,x0

f(x)= {2x+3,x<0 {4x+6,x0

23. Use the function above to evaluate f (-2)

24. Use the function above to evaluate f (0)

25. Use the function above to evaluate f (4)

26. Given

f(x)=x^2-4 and g(x)=x-2,find f/g (x) and determine its domain.

27. Find and simplify the difference quotient (f(x+h)-f(x))/h, h0 for the function f(x)=-3x+5