Friday

April 18, 2014

April 18, 2014

Posted by **Tealia** on Friday, October 23, 2009 at 11:38am.

The directions were:A:write an expression for f(x)B:find f(5)

The problem was: y=x-2

My answers were: A:f(x)=x-2

B:f(5)=5-2 which came out as f(5)=3

Am i doing it right or anypart of it right? Any help is welcome

- Trigonometry -
**MathMate**, Friday, October 23, 2009 at 12:18pmA. correct.

f(x) is the equivalent of y, except that f(x) tells you the independent variable is x.

B. correct.

And f(5) means that the independent variable takes on the value of 5, as you have done it.

Good work!

- Trigonometry -
**RAMON**, Saturday, October 24, 2009 at 4:17pmA plane ascends at a 40° angle. When it reaches an altitude of one hundred feet, how much ground distance has it covered? To solve, use the trigonometric chart. Round the answer to the nearest tenth.

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