chelsa11136
If f(x)=x^2+3x4, find the value of f(4). Show all work.



This Question is Closed

carrie14stewart
Best Response
You've already chosen the best response.
1
okay all u do is plug in 4 for all x's

carrie14stewart
Best Response
You've already chosen the best response.
1
so 4^2 is what? 16

carrie14stewart
Best Response
You've already chosen the best response.
1
now add 3 X 4 which is 12 so 12+16 is what? 28

carrie14stewart
Best Response
You've already chosen the best response.
1
now subtract 4 from 28 which is ur final answer 24

chelsa11136
Best Response
You've already chosen the best response.
0
But the 12 would be negative?

carrie14stewart
Best Response
You've already chosen the best response.
1
yes sorry

chelsa11136
Best Response
You've already chosen the best response.
0
So would it be 0???

carrie14stewart
Best Response
You've already chosen the best response.
1
so now its 12+16 than take that and subtract 4

carrie14stewart
Best Response
You've already chosen the best response.
1
yes the answer is 0 good job!