University:
Glendale Community College
Course:
MAT150 | College Algebra/Functions
Academic year:

2022
Views:

452

Pages:

4
Author:

Carissa Thomas

Topic 1: FUNCTIONS 1. Determine which of the following are functions. Explain how you know. A. B. C.) (2,7) D. (3, 7) (7,7) -7 9 (9,7) -3 11 -1 -8 68 -3 19 -9 -10 2. Evaluate the following expressions given the functions below: xy g(x) = -3x + 1 f(x) = -x + 2 A. g(10) = B. f(3) = C. j(-2) = D. h(–2) = E. Find x if g(x) = 16 F. Find x if h(x) = –6 G. Find x if f(x) = 23 y 3. Given this graph of the function f(x), find: 5 A. f(–4) = B. f(0) = C. f(3) = D. f(-5) = - E. x when f(x) = 2 F. x when f(x) = 0 G. f(-2) + f(2) f( x) 5 x 5 -5 4. Use a compound inequality to represent the domain and range of each graph: A. B. C. Topic 2: LINEAR 5. Graph using slope and y-intercept. a) y = 3x – 2 b) = 2 slope: slope: y-int.: y-int.: Find the slope and y-intercept for each line. Then, write an equation in function notation. 6. 7. y-intercept: y-intercept: slope: slope: f(x)= f(x)= Topic 3: LITERAL EQUATIONS Solve each equation for the given variable. 8 2for h 9. P = 2(l + w)for l 10. 8x − 4y = −12 for y Topic 4: SYSTEMS OF EQUATIONS 11. . Sketch the graph of the solution to the system of inequalities. 13. 14. 12. 16. 15. Solve the systems by Graphing. Solve the systems by Elimination.