Asked by Delila
Let the function f be defined by f(x)= 5x-2a , where a is a constant.If f(10) + f(5)=55 , what is the value of a ?
Answers
Answered by
bobpursley
f(10)=5*10+2a
f(5)=5*5+2a
f(10)+f(5)=75+4a=55
solve for a.
f(5)=5*5+2a
f(10)+f(5)=75+4a=55
solve for a.