Math / Algebra

Can you check my work? Thank you :)

1. The Domain of a function F is the same as the range of F^-1 (True or False?)

Answer: True.

2. Does the function y = |x-2| have an inverse? Select the best answer.

A. Yes, it passes the horizontal line test.
B. No, it does not pass the horizontal line test.
C. It's inverse is y = |x| - 2
D. It's inverse is y = |x+2|

Answer: B

3. What is the inverse of: x + 4 ?

A.x - 4
B. x + 2
C.y + 4
D. y - 2

Answer: A

4. Which statement describe the Horizontal Line Test?

A. If any horizontal line touches the function more than once, the function has an inverse.
B. If any horizontal line touches the function more than once, the function is not a function.
C. If any horizontal line touches the function only once, the function has an inverse.
D. If any horizontal line touches the function only once, the function always has real roots.

Answer: C

asked by Allison
  1. I agree

    posted by Damon

Respond to this Question

First Name

Your Answer

Similar Questions

  1. Trigonometry

    Having trouble with true/false questions in Trigonometry. They read as follows - True or False: For a trigonometric function, y=f(x), then x=F^-1(y). Explain your answer. True or False: For a one to one function, y=f(x), then
  2. Trigonometry

    Having trouble with true/false questions in Trigonometry. They read as follows - True or False: For a trigonometric function, y=f(x), then x=F^-1(y). Explain your answer. True or False: For a one to one function, y=f(x), then
  3. Computer science

    While you can pass only one argument into a function, you can return as many values as needed from a function. True False A library function saves time for the programmer because it allows for code reuse. True False Each function
  4. Pre-Calculus

    Graphing Polynomials Decide whether each of the following is sometimes true, always true, or never true and explain reasoning. A. A cubic function has 2 different x-intercepts ^Never true, has to have 3? B. A cubic function has 3
  5. Chemistry: Answer check please!

    1. Reactions follow the law of conservation of mass. a.) True b.) False Answer: True 2. Reactants are the materials used in a chemical reaction. a.) True b.) False Answer: True 3. In a chemical equation, the mass on the left of
  6. Fitness (Check answers)

    6) Gang member often have weapons and are involved in violence. TRUE OR FALSE ~ (my answer is TRUE) 7) Being disruptive in class and getting angry easily could be sign of abuse. TRUE OR FALSE ~ (my answer is FALSE) 8) People with
  7. Algebra

    1. What is the mapping of? Domain Range -3 3 -2 -6 -1 0, 15 0 -6 1 -1 I needed to represent these with arrows, but I can't. a. relation b. linear function c. all of these d. none of these Answer- none of these 2. Re-write 2x - 3y
  8. Fitness (Check answers)

    1) Sitting in class wearing ear buds during a lecture is effective listening. TRUE OR FALSE ~ (my answer is FALSE) 2) Defense mechanisms should be used as often as possible to deal with uncomfortable emotions. TRUE OR FALSE ~ (my
  9. College Algebra

    Here is the whole question... I have figured most of it out but I need help with part (b)(f) and (g)... Maybe you also check the work I have already done Given the following function, find: (a) vertex, (b) axis of symmetry, (c)
  10. Sociology

    plz help me asap Emile Durkheim was interested in "Function" of all of the separate elements that make up society. True or false (i think false ) An example of a positive informal sanction is when a parent gives a student praise

More Similar Questions