Finding constants in linear function

Mathematics
Tutor: None Selected Time limit: 1 Day

Find the constants m and b in the linear function f(x)=mx+b so that f(0)=5 and f(3)=-4

Jul 3rd, 2014

Given, f(x) = mx + b ----------- (A) 
(i) f(0) = m*0 + b = 5 
=> b = 5 --------------- (1) 
(ii) f(3) = m*3 + b = 3m + 2 = - 4 
=> 3m = - 1 - 2 = - 6 
=> m = - 6/3 = - 2 ------------ (2) 
Hence, f(x) = - x + 2

Jul 3rd, 2014

Did you know? You can earn $20 for every friend you invite to Studypool!
Click here to
Refer a Friend
...
Jul 3rd, 2014
...
Jul 3rd, 2014
May 26th, 2017
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer