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Torrayani<3
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4. If f(x) = 4x + 1 and g(x) = −x − 2, find (f + g)(−1).
 one year ago
 one year ago
Torrayani<3 Group Title
4. If f(x) = 4x + 1 and g(x) = −x − 2, find (f + g)(−1).
 one year ago
 one year ago

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zaynahf Group TitleBest ResponseYou've already chosen the best response.1
What (f+g)(1) means is to add up the two binomials first f(x)+g(x), and then substitute 1 for x. What do you get when you do: 4x+1x2
 one year ago

Torrayani<3 Group TitleBest ResponseYou've already chosen the best response.1
5x=3???
 one year ago

zaynahf Group TitleBest ResponseYou've already chosen the best response.1
There's no = sign, just simplify it by adding like terms: First do 4xx, and then 12
 one year ago

Torrayani<3 Group TitleBest ResponseYou've already chosen the best response.1
3x 1?
 one year ago

Torrayani<3 Group TitleBest ResponseYou've already chosen the best response.1
@zaynahf
 one year ago

zaynahf Group TitleBest ResponseYou've already chosen the best response.1
Good.. now just substitute 1 for x
 one year ago

Torrayani<3 Group TitleBest ResponseYou've already chosen the best response.1
so it's going to be 1x or 3x
 one year ago

zaynahf Group TitleBest ResponseYou've already chosen the best response.1
No, because you are substituting something for x, there will be no more x. Do this: 3(1)1
 one year ago

zaynahf Group TitleBest ResponseYou've already chosen the best response.1
Yep! You got it!
 one year ago

Torrayani<3 Group TitleBest ResponseYou've already chosen the best response.1
thank you please come to my next post!
 one year ago
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