Saturday

August 30, 2014

August 30, 2014

Posted by **connie** on Tuesday, July 21, 2009 at 9:05pm.

Find the indicated outputs for f(x) = 2x²-4x

f(0)= ____?

f(-1) =____?

f(2) =____?

Responses

math - Reiny, Tuesday, July 21, 2009 at 8:00am

f(0) = 2(0)^2 - 4(0)

= 0*0

= 0

f(-1) = 2(-1)^2 - 4(-1)

= 2(1) + 4

= 2 + 4

= 6

now you try f(2) the same way.

math - connie, Tuesday, July 21, 2009 at 9:02pm

Reiny

I'm still lost

i only got so far.

f(2)=2(2)^2-4(2)

=2(2) from their on i'm lost please help

- math -
**Reiny**, Tuesday, July 21, 2009 at 9:22pmf(2)=2(2)^2-4(2)

= 2(4) - 8

= 8-8

= 0

**Related Questions**

math - Write the first six terms of each of the sequences whose nth term is a)(-...

math - Find the indicated outputs for f(x) = 2x²-4x f(0)= ____? f(-1) =____? f(2...

math - 7. ____ is two thirds of ____ 8. ____ is three quarters of ____ 9. ____ ...

Math - Magic Square??? - My daughter is in 2nd grade and has a worksheet called ...

math - 8. ____ is three quarters of ____ 9. ____ is a quarter of ____ 10. ____ ...

Spanish 2 - I am writing things that I do on the ship. Choose the correct verb (...

science - Words to use: Accelerate - Sliding - Brake - Friction - Slipping - ...

Grammar - Fill in the sentences with adverbs. Do not repeat. 1.______ my friend ...

Roman Numerals - 23 _____ XXIII 44 ____ XLIV 52 ____ LII 17 ____ XVII 68 ____ ...

US History - Put this in order ____ Constitutional Convention ____ Northwest ...