Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.
Trending News
help with 4 problems there where 15 i solved most but i need help with these?
write an equation for each function described. then solve for the unknown
1.the output of a function is 4 more than 2 times the input.find the input when the output is -10
2.The output of a function is 9 less than 10 times the input. find the input when the output is 11
3.The output of a function is 5 more than -2 times the input.Find the input when the output is 3
4.The output of a function is 4 less than 4 times the input.Find the input when the output is 3.
3 Answers
- Anonymous1 decade agoFavorite Answer
1/ y= 2x + 4, if y = -10 ---->x = -7
- Anonymous1 decade ago
1. y=2x+4
-10=2x+4
2x=-14
x=-7
2. y=10x-9
11=10x-9
10x=20
x=2
3. y=-2x+5
3=-2x+5
-2x=-2
x=1
4. y=4x-4
3=4x-4
4x=7
x=7/4
- Anonymous1 decade ago
1)f(x)=-10
f(x)=2x+4
-10=2x+4
-14=2x
x=-7
2)f(x)=11
f(x)=10x-9
11=10x-9
20=10x
x=2
3)f(x)=3
f(x)=-2x+5
3=-2x+5
-2=-2x
x=1
4) f(x)=3
f(x)=4x-4
3=4x-4
7=4x
x=7/4