for both problems let: f (x)=x^2 + 4x and g(x)=x+2

first problem:

(f+g)(x) and (f+g)(3)

second problem:

(f-g)(x)and (f-g)(-1)

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- May 30th 2006, 11:42 AMkbryant05Help on (f + g)
for both problems let: f (x)=x^2 + 4x and g(x)=x+2

first problem:

(f+g)(x) and (f+g)(3)

second problem:

(f-g)(x)and (f-g)(-1) - May 30th 2006, 12:27 PMearbothQuote:

Originally Posted by**kbryant05**

1rst problem:

To calculate (f+g)(x) plug in the value 3 for x:

2nd problem:

To calculate (f-g)(-1) plug in the value (-1) for x:

Greetings

EB - May 30th 2006, 03:34 PMkbryant05Thank You
Thanks for explaining those two problems. It really helped me do the others that were similar!!

Kristin :)